205315821

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{677}}^1\times {\mathrm{1087}}^1$

素因数の和:1801

約数の個数: 24

約数和(自身を含む): 306868224

約数和(自身を除く): 101552403

約数列:

[1, 3, 9, 31, 93, 279, 677, 1087, 2031, 3261, 6093, 9783, 20987, 33697, 62961, 101091, 188883, 303273, 735899, 2207697, 6623091, 22812869, 68438607, 205315821]

約数ペア:

[(1, 205315821), (3, 68438607), (9, 22812869), (31, 6623091), (93, 2207697), (279, 735899), (677, 303273), (1087, 188883), (2031, 101091), (3261, 62961), (6093, 33697), (9783, 20987)]