620154

素因数分解:

$2^1\times 3^2\times {\mathrm{131}}^1\times {\mathrm{263}}^1$

素因数の和:402

約数の個数: 24

約数和(自身を含む): 1359072

約数和(自身を除く): 738918

約数列:

[1, 2, 3, 6, 9, 18, 131, 262, 263, 393, 526, 786, 789, 1179, 1578, 2358, 2367, 4734, 34453, 68906, 103359, 206718, 310077, 620154]

約数ペア:

[(1, 620154), (2, 310077), (3, 206718), (6, 103359), (9, 68906), (18, 34453), (131, 4734), (262, 2367), (263, 2358), (393, 1578), (526, 1179), (786, 789)]