397804851

素因数分解:

$3^5\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{571}}^1$

素因数の和:694

約数の個数: 48

約数和(自身を含む): 619627008

約数和(自身を除く): 221822157

約数列:

[1, 3, 9, 27, 47, 61, 81, 141, 183, 243, 423, 549, 571, 1269, 1647, 1713, 2867, 3807, 4941, 5139, 8601, 11421, 14823, 15417, 25803, 26837, 34831, 46251, 77409, 80511, 104493, 138753, 232227, 241533, 313479, 696681, 724599, 940437, 1637057, 2173797, 2821311, 4911171, 6521391, 8463933, 14733513, 44200539, 132601617, 397804851]

約数ペア:

[(1, 397804851), (3, 132601617), (9, 44200539), (27, 14733513), (47, 8463933), (61, 6521391), (81, 4911171), (141, 2821311), (183, 2173797), (243, 1637057), (423, 940437), (549, 724599), (571, 696681), (1269, 313479), (1647, 241533), (1713, 232227), (2867, 138753), (3807, 104493), (4941, 80511), (5139, 77409), (8601, 46251), (11421, 34831), (14823, 26837), (15417, 25803)]