212316285

素因数分解:

$3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{167}}^1\times {\mathrm{647}}^1$

素因数の和:953

約数の個数: 32

約数和(自身を含む): 344881152

約数和(自身を除く): 132564867

約数列:

[1, 3, 5, 15, 131, 167, 393, 501, 647, 655, 835, 1941, 1965, 2505, 3235, 9705, 21877, 65631, 84757, 108049, 109385, 254271, 324147, 328155, 423785, 540245, 1271355, 1620735, 14154419, 42463257, 70772095, 212316285]

約数ペア:

[(1, 212316285), (3, 70772095), (5, 42463257), (15, 14154419), (131, 1620735), (167, 1271355), (393, 540245), (501, 423785), (647, 328155), (655, 324147), (835, 254271), (1941, 109385), (1965, 108049), (2505, 84757), (3235, 65631), (9705, 21877)]