1247996925

素因数分解:

$3^2\times 5^2\times 7^3\times {\mathrm{103}}^1\times {\mathrm{157}}^1$

素因数の和:297

約数の個数: 144

約数和(自身を含む): 2648838400

約数和(自身を除く): 1400841475

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 49, 63, 75, 103, 105, 147, 157, 175, 225, 245, 309, 315, 343, 441, 471, 515, 525, 721, 735, 785, 927, 1029, 1099, 1225, 1413, 1545, 1575, 1715, 2163, 2205, 2355, 2575, 3087, 3297, 3605, 3675, 3925, 4635, 5047, 5145, 5495, 6489, 7065, 7693, 7725, 8575, 9891, 10815, 11025, 11775, 15141, 15435, 16171, 16485, 18025, 23079, 23175, 25235, 25725, 27475, 32445, 35325, 35329, 38465, 45423, 48513, 49455, 53851, 54075, 69237, 75705, 77175, 80855, 82425, 105987, 113197, 115395, 126175, 145539, 161553, 162225, 176645, 192325, 227115, 242565, 247275, 269255, 317961, 339591, 346185, 378525, 404275, 484659, 529935, 565985, 576975, 727695, 792379, 807765, 883225, 1018773, 1135575, 1212825, 1346275, 1589805, 1697955, 1730925, 2377137, 2423295, 2649675, 2829925, 3638475, 3961895, 4038825, 5093865, 5546653, 7131411, 7949025, 8489775, 11885685, 12116475, 16639959, 19809475, 25469325, 27733265, 35657055, 49919877, 59428425, 83199795, 138666325, 178285275, 249599385, 415998975, 1247996925]

約数ペア:

[(1, 1247996925), (3, 415998975), (5, 249599385), (7, 178285275), (9, 138666325), (15, 83199795), (21, 59428425), (25, 49919877), (35, 35657055), (45, 27733265), (49, 25469325), (63, 19809475), (75, 16639959), (103, 12116475), (105, 11885685), (147, 8489775), (157, 7949025), (175, 7131411), (225, 5546653), (245, 5093865), (309, 4038825), (315, 3961895), (343, 3638475), (441, 2829925), (471, 2649675), (515, 2423295), (525, 2377137), (721, 1730925), (735, 1697955), (785, 1589805), (927, 1346275), (1029, 1212825), (1099, 1135575), (1225, 1018773), (1413, 883225), (1545, 807765), (1575, 792379), (1715, 727695), (2163, 576975), (2205, 565985), (2355, 529935), (2575, 484659), (3087, 404275), (3297, 378525), (3605, 346185), (3675, 339591), (3925, 317961), (4635, 269255), (5047, 247275), (5145, 242565), (5495, 227115), (6489, 192325), (7065, 176645), (7693, 162225), (7725, 161553), (8575, 145539), (9891, 126175), (10815, 115395), (11025, 113197), (11775, 105987), (15141, 82425), (15435, 80855), (16171, 77175), (16485, 75705), (18025, 69237), (23079, 54075), (23175, 53851), (25235, 49455), (25725, 48513), (27475, 45423), (32445, 38465), (35325, 35329)]