15976521

素因数分解:

$3^5\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1$

素因数の和:208

約数の個数: 48

約数和(自身を含む): 26906880

約数和(自身を除く): 10930359

約数列:

[1, 3, 9, 11, 27, 33, 43, 81, 99, 129, 139, 243, 297, 387, 417, 473, 891, 1161, 1251, 1419, 1529, 2673, 3483, 3753, 4257, 4587, 5977, 10449, 11259, 12771, 13761, 17931, 33777, 38313, 41283, 53793, 65747, 114939, 123849, 161379, 197241, 371547, 484137, 591723, 1452411, 1775169, 5325507, 15976521]

約数ペア:

[(1, 15976521), (3, 5325507), (9, 1775169), (11, 1452411), (27, 591723), (33, 484137), (43, 371547), (81, 197241), (99, 161379), (129, 123849), (139, 114939), (243, 65747), (297, 53793), (387, 41283), (417, 38313), (473, 33777), (891, 17931), (1161, 13761), (1251, 12771), (1419, 11259), (1529, 10449), (2673, 5977), (3483, 4587), (3753, 4257)]