212520561

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{28879}}^1$

素因数の和:29116

約数の個数: 16

約数和(自身を含む): 310517760

約数和(自身を除く): 97997199

約数列:

[1, 3, 11, 33, 223, 669, 2453, 7359, 28879, 86637, 317669, 953007, 6440017, 19320051, 70840187, 212520561]

約数ペア:

[(1, 212520561), (3, 70840187), (11, 19320051), (33, 6440017), (223, 953007), (669, 317669), (2453, 86637), (7359, 28879)]