12126961

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{151}}^1$

素因数の和:325

約数の個数: 24

約数和(自身を含む): 15595200

約数和(自身を除く): 3468239

約数列:

[1, 7, 11, 49, 77, 149, 151, 539, 1043, 1057, 1639, 1661, 7301, 7399, 11473, 11627, 22499, 80311, 81389, 157493, 247489, 1102451, 1732423, 12126961]

約数ペア:

[(1, 12126961), (7, 1732423), (11, 1102451), (49, 247489), (77, 157493), (149, 81389), (151, 80311), (539, 22499), (1043, 11627), (1057, 11473), (1639, 7399), (1661, 7301)]