11821665

素因数分解:

$3^1\times 5^1\times {\mathrm{331}}^1\times {\mathrm{2381}}^1$

素因数の和:2720

約数の個数: 16

約数和(自身を含む): 18979776

約数和(自身を除く): 7158111

約数列:

[1, 3, 5, 15, 331, 993, 1655, 2381, 4965, 7143, 11905, 35715, 788111, 2364333, 3940555, 11821665]

約数ペア:

[(1, 11821665), (3, 3940555), (5, 2364333), (15, 788111), (331, 35715), (993, 11905), (1655, 7143), (2381, 4965)]