81638469

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{8867}}^1$

素因数の和:8918

約数の個数: 32

約数和(自身を含む): 136212480

約数和(自身を除く): 54574011

約数列:

[1, 3, 9, 11, 27, 31, 33, 93, 99, 279, 297, 341, 837, 1023, 3069, 8867, 9207, 26601, 79803, 97537, 239409, 274877, 292611, 824631, 877833, 2473893, 2633499, 3023647, 7421679, 9070941, 27212823, 81638469]

約数ペア:

[(1, 81638469), (3, 27212823), (9, 9070941), (11, 7421679), (27, 3023647), (31, 2633499), (33, 2473893), (93, 877833), (99, 824631), (279, 292611), (297, 274877), (341, 239409), (837, 97537), (1023, 79803), (3069, 26601), (8867, 9207)]