31309254

素因数分解:

$2^1\times 3^4\times {\mathrm{157}}^1\times {\mathrm{1231}}^1$

素因数の和:1402

約数の個数: 40

約数和(自身を含む): 70660128

約数和(自身を除く): 39350874

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 157, 162, 314, 471, 942, 1231, 1413, 2462, 2826, 3693, 4239, 7386, 8478, 11079, 12717, 22158, 25434, 33237, 66474, 99711, 193267, 199422, 386534, 579801, 1159602, 1739403, 3478806, 5218209, 10436418, 15654627, 31309254]

約数ペア:

[(1, 31309254), (2, 15654627), (3, 10436418), (6, 5218209), (9, 3478806), (18, 1739403), (27, 1159602), (54, 579801), (81, 386534), (157, 199422), (162, 193267), (314, 99711), (471, 66474), (942, 33237), (1231, 25434), (1413, 22158), (2462, 12717), (2826, 11079), (3693, 8478), (4239, 7386)]