78327375

素因数分解:

$3^1\times 5^3\times 7^1\times {\mathrm{53}}^1\times {\mathrm{563}}^1$

素因数の和:641

約数の個数: 64

約数和(自身を含む): 152036352

約数和(自身を除く): 73708977

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 53, 75, 105, 125, 159, 175, 265, 371, 375, 525, 563, 795, 875, 1113, 1325, 1689, 1855, 2625, 2815, 3941, 3975, 5565, 6625, 8445, 9275, 11823, 14075, 19705, 19875, 27825, 29839, 42225, 46375, 59115, 70375, 89517, 98525, 139125, 149195, 208873, 211125, 295575, 447585, 492625, 626619, 745975, 1044365, 1477875, 2237925, 3133095, 3729875, 5221825, 11189625, 15665475, 26109125, 78327375]

約数ペア:

[(1, 78327375), (3, 26109125), (5, 15665475), (7, 11189625), (15, 5221825), (21, 3729875), (25, 3133095), (35, 2237925), (53, 1477875), (75, 1044365), (105, 745975), (125, 626619), (159, 492625), (175, 447585), (265, 295575), (371, 211125), (375, 208873), (525, 149195), (563, 139125), (795, 98525), (875, 89517), (1113, 70375), (1325, 59115), (1689, 46375), (1855, 42225), (2625, 29839), (2815, 27825), (3941, 19875), (3975, 19705), (5565, 14075), (6625, 11823), (8445, 9275)]