28954263

素因数分解:

$3^1\times {\mathrm{13}}^3\times {\mathrm{23}}^1\times {\mathrm{191}}^1$

素因数の和:256

約数の個数: 32

約数和(自身を含む): 43868160

約数和(自身を除く): 14913897

約数列:

[1, 3, 13, 23, 39, 69, 169, 191, 299, 507, 573, 897, 2197, 2483, 3887, 4393, 6591, 7449, 11661, 13179, 32279, 50531, 57109, 96837, 151593, 171327, 419627, 742417, 1258881, 2227251, 9651421, 28954263]

約数ペア:

[(1, 28954263), (3, 9651421), (13, 2227251), (23, 1258881), (39, 742417), (69, 419627), (169, 171327), (191, 151593), (299, 96837), (507, 57109), (573, 50531), (897, 32279), (2197, 13179), (2483, 11661), (3887, 7449), (4393, 6591)]