2021684175

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1\times {\mathrm{179}}^1$

素因数の和:374

約数の個数: 144

約数和(自身を含む): 4261870080

約数和(自身を除く): 2240185905

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 63, 71, 75, 101, 105, 175, 179, 213, 225, 303, 315, 355, 497, 505, 525, 537, 639, 707, 895, 909, 1065, 1253, 1491, 1515, 1575, 1611, 1775, 2121, 2485, 2525, 2685, 3195, 3535, 3759, 4473, 4475, 4545, 5325, 6265, 6363, 7171, 7455, 7575, 8055, 10605, 11277, 12425, 12709, 13425, 15975, 17675, 18079, 18795, 21513, 22365, 22725, 31325, 31815, 35855, 37275, 38127, 40275, 50197, 53025, 54237, 56385, 63545, 64539, 88963, 90395, 93975, 107565, 111825, 114381, 126553, 150591, 159075, 162711, 179275, 190635, 250985, 266889, 271185, 281925, 317725, 322695, 379659, 444815, 451773, 451975, 537825, 571905, 632765, 752955, 800667, 813555, 953175, 1138977, 1254925, 1283609, 1334445, 1355925, 1613475, 1898295, 2224075, 2258865, 2859525, 3163825, 3764775, 3850827, 4003335, 4067775, 5694885, 6418045, 6672225, 8985263, 9491475, 11294325, 11552481, 19254135, 20016675, 26955789, 28474425, 32090225, 44926315, 57762405, 80867367, 96270675, 134778945, 224631575, 288812025, 404336835, 673894725, 2021684175]

約数ペア:

[(1, 2021684175), (3, 673894725), (5, 404336835), (7, 288812025), (9, 224631575), (15, 134778945), (21, 96270675), (25, 80867367), (35, 57762405), (45, 44926315), (63, 32090225), (71, 28474425), (75, 26955789), (101, 20016675), (105, 19254135), (175, 11552481), (179, 11294325), (213, 9491475), (225, 8985263), (303, 6672225), (315, 6418045), (355, 5694885), (497, 4067775), (505, 4003335), (525, 3850827), (537, 3764775), (639, 3163825), (707, 2859525), (895, 2258865), (909, 2224075), (1065, 1898295), (1253, 1613475), (1491, 1355925), (1515, 1334445), (1575, 1283609), (1611, 1254925), (1775, 1138977), (2121, 953175), (2485, 813555), (2525, 800667), (2685, 752955), (3195, 632765), (3535, 571905), (3759, 537825), (4473, 451975), (4475, 451773), (4545, 444815), (5325, 379659), (6265, 322695), (6363, 317725), (7171, 281925), (7455, 271185), (7575, 266889), (8055, 250985), (10605, 190635), (11277, 179275), (12425, 162711), (12709, 159075), (13425, 150591), (15975, 126553), (17675, 114381), (18079, 111825), (18795, 107565), (21513, 93975), (22365, 90395), (22725, 88963), (31325, 64539), (31815, 63545), (35855, 56385), (37275, 54237), (38127, 53025), (40275, 50197)]