68216421

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{3163}}^1$

素因数の和:3265

約数の個数: 32

約数和(自身を含む): 113397760

約数和(自身を除く): 45181339

約数列:

[1, 3, 7, 13, 21, 39, 79, 91, 237, 273, 553, 1027, 1659, 3081, 3163, 7189, 9489, 21567, 22141, 41119, 66423, 123357, 249877, 287833, 749631, 863499, 1749139, 3248401, 5247417, 9745203, 22738807, 68216421]

約数ペア:

[(1, 68216421), (3, 22738807), (7, 9745203), (13, 5247417), (21, 3248401), (39, 1749139), (79, 863499), (91, 749631), (237, 287833), (273, 249877), (553, 123357), (1027, 66423), (1659, 41119), (3081, 22141), (3163, 21567), (7189, 9489)]