31228173

素因数分解:

$3^7\times {\mathrm{109}}^1\times {\mathrm{131}}^1$

素因数の和:261

約数の個数: 32

約数和(自身を含む): 47625600

約数和(自身を除く): 16397427

約数列:

[1, 3, 9, 27, 81, 109, 131, 243, 327, 393, 729, 981, 1179, 2187, 2943, 3537, 8829, 10611, 14279, 26487, 31833, 42837, 79461, 95499, 128511, 238383, 286497, 385533, 1156599, 3469797, 10409391, 31228173]

約数ペア:

[(1, 31228173), (3, 10409391), (9, 3469797), (27, 1156599), (81, 385533), (109, 286497), (131, 238383), (243, 128511), (327, 95499), (393, 79461), (729, 42837), (981, 31833), (1179, 26487), (2187, 14279), (2943, 10611), (3537, 8829)]