28936197

素因数分解:

$3^7\times {\mathrm{101}}^1\times {\mathrm{131}}^1$

素因数の和:253

約数の個数: 32

約数和(自身を含む): 44161920

約数和(自身を除く): 15225723

約数列:

[1, 3, 9, 27, 81, 101, 131, 243, 303, 393, 729, 909, 1179, 2187, 2727, 3537, 8181, 10611, 13231, 24543, 31833, 39693, 73629, 95499, 119079, 220887, 286497, 357237, 1071711, 3215133, 9645399, 28936197]

約数ペア:

[(1, 28936197), (3, 9645399), (9, 3215133), (27, 1071711), (81, 357237), (101, 286497), (131, 220887), (243, 119079), (303, 95499), (393, 73629), (729, 39693), (909, 31833), (1179, 24543), (2187, 13231), (2727, 10611), (3537, 8181)]