15971081

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{113}}^1\times {\mathrm{331}}^1$

素因数の和:512

約数の個数: 16

約数和(自身を含む): 18772608

約数和(自身を除く): 2801527

約数列:

[1, 7, 61, 113, 331, 427, 791, 2317, 6893, 20191, 37403, 48251, 141337, 261821, 2281583, 15971081]

約数ペア:

[(1, 15971081), (7, 2281583), (61, 261821), (113, 141337), (331, 48251), (427, 37403), (791, 20191), (2317, 6893)]