20151593

素因数分解:

$7^5\times {\mathrm{11}}^1\times {\mathrm{109}}^1$

素因数の和:155

約数の個数: 24

約数和(自身を含む): 25882560

約数和(自身を除く): 5730967

約数列:

[1, 7, 11, 49, 77, 109, 343, 539, 763, 1199, 2401, 3773, 5341, 8393, 16807, 26411, 37387, 58751, 184877, 261709, 411257, 1831963, 2878799, 20151593]

約数ペア:

[(1, 20151593), (7, 2878799), (11, 1831963), (49, 411257), (77, 261709), (109, 184877), (343, 58751), (539, 37387), (763, 26411), (1199, 16807), (2401, 8393), (3773, 5341)]