15880407

素因数分解:

$3^1\times {\mathrm{41}}^2\times {\mathrm{47}}^1\times {\mathrm{67}}^1$

素因数の和:199

約数の個数: 24

約数和(自身を含む): 22495488

約数和(自身を除く): 6615081

約数列:

[1, 3, 41, 47, 67, 123, 141, 201, 1681, 1927, 2747, 3149, 5043, 5781, 8241, 9447, 79007, 112627, 129109, 237021, 337881, 387327, 5293469, 15880407]

約数ペア:

[(1, 15880407), (3, 5293469), (41, 387327), (47, 337881), (67, 237021), (123, 129109), (141, 112627), (201, 79007), (1681, 9447), (1927, 8241), (2747, 5781), (3149, 5043)]