81139566

素因数分解:

$2^1\times 3^1\times {\mathrm{131}}^1\times {\mathrm{103231}}^1$

素因数の和:103367

約数の個数: 16

約数和(自身を含む): 163519488

約数和(自身を除く): 82379922

約数列:

[1, 2, 3, 6, 131, 262, 393, 786, 103231, 206462, 309693, 619386, 13523261, 27046522, 40569783, 81139566]

約数ペア:

[(1, 81139566), (2, 40569783), (3, 27046522), (6, 13523261), (131, 619386), (262, 309693), (393, 206462), (786, 103231)]