155512973

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{113}}^1\times {\mathrm{293}}^1$

素因数の和:485

約数の個数: 32

約数和(自身を含む): 199487232

約数和(自身を除く): 43974259

約数列:

[1, 7, 11, 61, 77, 113, 293, 427, 671, 791, 1243, 2051, 3223, 4697, 6893, 8701, 17873, 22561, 33109, 48251, 75823, 125111, 196603, 231763, 364199, 530761, 1376221, 2019649, 2549393, 14137543, 22216139, 155512973]

約数ペア:

[(1, 155512973), (7, 22216139), (11, 14137543), (61, 2549393), (77, 2019649), (113, 1376221), (293, 530761), (427, 364199), (671, 231763), (791, 196603), (1243, 125111), (2051, 75823), (3223, 48251), (4697, 33109), (6893, 22561), (8701, 17873)]