71879925

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{53}}^1\times {\mathrm{107}}^1$

素因数の和:199

約数の個数: 72

約数和(自身を含む): 132339744

約数和(自身を除く): 60459819

約数列:

[1, 3, 5, 13, 15, 25, 39, 53, 65, 75, 107, 159, 169, 195, 265, 321, 325, 507, 535, 689, 795, 845, 975, 1325, 1391, 1605, 2067, 2535, 2675, 3445, 3975, 4173, 4225, 5671, 6955, 8025, 8957, 10335, 12675, 17013, 17225, 18083, 20865, 26871, 28355, 34775, 44785, 51675, 54249, 73723, 85065, 90415, 104325, 134355, 141775, 221169, 223925, 271245, 368615, 425325, 452075, 671775, 958399, 1105845, 1356225, 1843075, 2875197, 4791995, 5529225, 14375985, 23959975, 71879925]

約数ペア:

[(1, 71879925), (3, 23959975), (5, 14375985), (13, 5529225), (15, 4791995), (25, 2875197), (39, 1843075), (53, 1356225), (65, 1105845), (75, 958399), (107, 671775), (159, 452075), (169, 425325), (195, 368615), (265, 271245), (321, 223925), (325, 221169), (507, 141775), (535, 134355), (689, 104325), (795, 90415), (845, 85065), (975, 73723), (1325, 54249), (1391, 51675), (1605, 44785), (2067, 34775), (2535, 28355), (2675, 26871), (3445, 20865), (3975, 18083), (4173, 17225), (4225, 17013), (5671, 12675), (6955, 10335), (8025, 8957)]