81870399

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{5689}}^1$

素因数の和:5752

約数の個数: 32

約数和(自身を含む): 133828800

約数和(自身を除く): 51958401

約数列:

[1, 3, 9, 13, 27, 39, 41, 117, 123, 351, 369, 533, 1107, 1599, 4797, 5689, 14391, 17067, 51201, 73957, 153603, 221871, 233249, 665613, 699747, 1996839, 2099241, 3032237, 6297723, 9096711, 27290133, 81870399]

約数ペア:

[(1, 81870399), (3, 27290133), (9, 9096711), (13, 6297723), (27, 3032237), (39, 2099241), (41, 1996839), (117, 699747), (123, 665613), (351, 233249), (369, 221871), (533, 153603), (1107, 73957), (1599, 51201), (4797, 17067), (5689, 14391)]