210964887

素因数分解:

$3^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{24091}}^1$

素因数の和:24243

約数の個数: 24

約数和(自身を含む): 350779520

約数和(自身を除く): 139814633

約数列:

[1, 3, 7, 9, 21, 63, 139, 417, 973, 1251, 2919, 8757, 24091, 72273, 168637, 216819, 505911, 1517733, 3348649, 10045947, 23440543, 30137841, 70321629, 210964887]

約数ペア:

[(1, 210964887), (3, 70321629), (7, 30137841), (9, 23440543), (21, 10045947), (63, 3348649), (139, 1517733), (417, 505911), (973, 216819), (1251, 168637), (2919, 72273), (8757, 24091)]