15420771

素因数分解:

$3^2\times {\mathrm{59}}^1\times {\mathrm{113}}^1\times {\mathrm{257}}^1$

素因数の和:435

約数の個数: 24

約数和(自身を含む): 22941360

約数和(自身を除く): 7520589

約数列:

[1, 3, 9, 59, 113, 177, 257, 339, 531, 771, 1017, 2313, 6667, 15163, 20001, 29041, 45489, 60003, 87123, 136467, 261369, 1713419, 5140257, 15420771]

約数ペア:

[(1, 15420771), (3, 5140257), (9, 1713419), (59, 261369), (113, 136467), (177, 87123), (257, 60003), (339, 45489), (531, 29041), (771, 20001), (1017, 15163), (2313, 6667)]