210866877

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{138637}}^1$

素因数の和:138669

約数の個数: 18

約数和(自身を含む): 329819802

約数和(自身を除く): 118952925

約数列:

[1, 3, 9, 13, 39, 117, 169, 507, 1521, 138637, 415911, 1247733, 1802281, 5406843, 16220529, 23429653, 70288959, 210866877]

約数ペア:

[(1, 210866877), (3, 70288959), (9, 23429653), (13, 16220529), (39, 5406843), (117, 1802281), (169, 1247733), (507, 415911), (1521, 138637)]