8153781981

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1\times {\mathrm{388109}}^1$

素因数の和:388308

約数の個数: 16

約数和(自身を含む): 11177568000

約数和(自身を除く): 3023786019

約数列:

[1, 3, 47, 141, 149, 447, 7003, 21009, 388109, 1164327, 18241123, 54723369, 57828241, 173484723, 2717927327, 8153781981]

約数ペア:

[(1, 8153781981), (3, 2717927327), (47, 173484723), (141, 57828241), (149, 54723369), (447, 18241123), (7003, 1164327), (21009, 388109)]