81164475

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{1777}}^1$

素因数の和:1829

約数の個数: 72

約数和(自身を含む): 171968160

約数和(自身を除く): 90803685

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 29, 35, 45, 63, 75, 87, 105, 145, 175, 203, 225, 261, 315, 435, 525, 609, 725, 1015, 1305, 1575, 1777, 1827, 2175, 3045, 5075, 5331, 6525, 8885, 9135, 12439, 15225, 15993, 26655, 37317, 44425, 45675, 51533, 62195, 79965, 111951, 133275, 154599, 186585, 257665, 310975, 360731, 399825, 463797, 559755, 772995, 932925, 1082193, 1288325, 1803655, 2318985, 2798775, 3246579, 3864975, 5410965, 9018275, 11594925, 16232895, 27054825, 81164475]

約数ペア:

[(1, 81164475), (3, 27054825), (5, 16232895), (7, 11594925), (9, 9018275), (15, 5410965), (21, 3864975), (25, 3246579), (29, 2798775), (35, 2318985), (45, 1803655), (63, 1288325), (75, 1082193), (87, 932925), (105, 772995), (145, 559755), (175, 463797), (203, 399825), (225, 360731), (261, 310975), (315, 257665), (435, 186585), (525, 154599), (609, 133275), (725, 111951), (1015, 79965), (1305, 62195), (1575, 51533), (1777, 45675), (1827, 44425), (2175, 37317), (3045, 26655), (5075, 15993), (5331, 15225), (6525, 12439), (8885, 9135)]