220695903

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{137}}^1\times {\mathrm{2521}}^1$

素因数の和:2735

約数の個数: 24

約数和(自身を含む): 325761696

約数和(自身を除く): 105065793

約数列:

[1, 3, 9, 71, 137, 213, 411, 639, 1233, 2521, 7563, 9727, 22689, 29181, 87543, 178991, 345377, 536973, 1036131, 1610919, 3108393, 24521767, 73565301, 220695903]

約数ペア:

[(1, 220695903), (3, 73565301), (9, 24521767), (71, 3108393), (137, 1610919), (213, 1036131), (411, 536973), (639, 345377), (1233, 178991), (2521, 87543), (7563, 29181), (9727, 22689)]