81809961

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{6421}}^1$

素因数の和:6592

約数の個数: 16

約数和(自身を含む): 113438208

約数和(自身を除く): 31628247

約数列:

[1, 3, 31, 93, 137, 411, 4247, 6421, 12741, 19263, 199051, 597153, 879677, 2639031, 27269987, 81809961]

約数ペア:

[(1, 81809961), (3, 27269987), (31, 2639031), (93, 879677), (137, 597153), (411, 199051), (4247, 19263), (6421, 12741)]