15982407

素因数分解:

$3^3\times 7^1\times {\mathrm{103}}^1\times {\mathrm{821}}^1$

素因数の和:940

約数の個数: 32

約数和(自身を含む): 27356160

約数和(自身を除く): 11373753

約数列:

[1, 3, 7, 9, 21, 27, 63, 103, 189, 309, 721, 821, 927, 2163, 2463, 2781, 5747, 6489, 7389, 17241, 19467, 22167, 51723, 84563, 155169, 253689, 591941, 761067, 1775823, 2283201, 5327469, 15982407]

約数ペア:

[(1, 15982407), (3, 5327469), (7, 2283201), (9, 1775823), (21, 761067), (27, 591941), (63, 253689), (103, 155169), (189, 84563), (309, 51723), (721, 22167), (821, 19467), (927, 17241), (2163, 7389), (2463, 6489), (2781, 5747)]