81621705

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{494677}}^1$

素因数の和:494696

約数の個数: 16

約数和(自身を含む): 142467264

約数和(自身を除く): 60845559

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 494677, 1484031, 2473385, 5441447, 7420155, 16324341, 27207235, 81621705]

約数ペア:

[(1, 81621705), (3, 27207235), (5, 16324341), (11, 7420155), (15, 5441447), (33, 2473385), (55, 1484031), (165, 494677)]