2921625

素因数分解:

$3^2\times 5^3\times 7^2\times {\mathrm{53}}^1$

素因数の和:88

約数の個数: 72

約数和(自身を含む): 6242184

約数和(自身を除く): 3320559

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 49, 53, 63, 75, 105, 125, 147, 159, 175, 225, 245, 265, 315, 371, 375, 441, 477, 525, 735, 795, 875, 1113, 1125, 1225, 1325, 1575, 1855, 2205, 2385, 2597, 2625, 3339, 3675, 3975, 5565, 6125, 6625, 7791, 7875, 9275, 11025, 11925, 12985, 16695, 18375, 19875, 23373, 27825, 38955, 46375, 55125, 59625, 64925, 83475, 116865, 139125, 194775, 324625, 417375, 584325, 973875, 2921625]

約数ペア:

[(1, 2921625), (3, 973875), (5, 584325), (7, 417375), (9, 324625), (15, 194775), (21, 139125), (25, 116865), (35, 83475), (45, 64925), (49, 59625), (53, 55125), (63, 46375), (75, 38955), (105, 27825), (125, 23373), (147, 19875), (159, 18375), (175, 16695), (225, 12985), (245, 11925), (265, 11025), (315, 9275), (371, 7875), (375, 7791), (441, 6625), (477, 6125), (525, 5565), (735, 3975), (795, 3675), (875, 3339), (1113, 2625), (1125, 2597), (1225, 2385), (1325, 2205), (1575, 1855)]