81331533

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1229}}^1$

素因数の和:1303

約数の個数: 40

約数和(自身を含む): 130970400

約数和(自身を除く): 49638867

約数列:

[1, 3, 9, 19, 27, 43, 57, 81, 129, 171, 387, 513, 817, 1161, 1229, 1539, 2451, 3483, 3687, 7353, 11061, 22059, 23351, 33183, 52847, 66177, 70053, 99549, 158541, 210159, 475623, 630477, 1004093, 1426869, 1891431, 3012279, 4280607, 9036837, 27110511, 81331533]

約数ペア:

[(1, 81331533), (3, 27110511), (9, 9036837), (19, 4280607), (27, 3012279), (43, 1891431), (57, 1426869), (81, 1004093), (129, 630477), (171, 475623), (387, 210159), (513, 158541), (817, 99549), (1161, 70053), (1229, 66177), (1539, 52847), (2451, 33183), (3483, 23351), (3687, 22059), (7353, 11061)]