201754557

素因数分解:

$3^4\times {\mathrm{137}}^1\times {\mathrm{18181}}^1$

素因数の和:18330

約数の個数: 20

約数和(自身を含む): 303603036

約数和(自身を除く): 101848479

約数列:

[1, 3, 9, 27, 81, 137, 411, 1233, 3699, 11097, 18181, 54543, 163629, 490887, 1472661, 2490797, 7472391, 22417173, 67251519, 201754557]

約数ペア:

[(1, 201754557), (3, 67251519), (9, 22417173), (27, 7472391), (81, 2490797), (137, 1472661), (411, 490887), (1233, 163629), (3699, 54543), (11097, 18181)]