12912985005

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{216679}}^1$

素因数の和:216853

約数の個数: 32

約数和(自身を含む): 21529324800

約数和(自身を除く): 8616339795

約数列:

[1, 3, 5, 15, 29, 87, 137, 145, 411, 435, 685, 2055, 3973, 11919, 19865, 59595, 216679, 650037, 1083395, 3250185, 6283691, 18851073, 29685023, 31418455, 89055069, 94255365, 148425115, 445275345, 860865667, 2582597001, 4304328335, 12912985005]

約数ペア:

[(1, 12912985005), (3, 4304328335), (5, 2582597001), (15, 860865667), (29, 445275345), (87, 148425115), (137, 94255365), (145, 89055069), (411, 31418455), (435, 29685023), (685, 18851073), (2055, 6283691), (3973, 3250185), (11919, 1083395), (19865, 650037), (59595, 216679)]