663669261

素因数分解:

$3^3\times {\mathrm{139}}^1\times {\mathrm{181}}^1\times {\mathrm{977}}^1$

素因数の和:1306

約数の個数: 32

約数和(自身を含む): 996777600

約数和(自身を除く): 333108339

約数列:

[1, 3, 9, 27, 139, 181, 417, 543, 977, 1251, 1629, 2931, 3753, 4887, 8793, 25159, 26379, 75477, 135803, 176837, 226431, 407409, 530511, 679293, 1222227, 1591533, 3666681, 4774599, 24580343, 73741029, 221223087, 663669261]

約数ペア:

[(1, 663669261), (3, 221223087), (9, 73741029), (27, 24580343), (139, 4774599), (181, 3666681), (417, 1591533), (543, 1222227), (977, 679293), (1251, 530511), (1629, 407409), (2931, 226431), (3753, 176837), (4887, 135803), (8793, 75477), (25159, 26379)]