68142639

素因数分解:

$3^1\times {\mathrm{163}}^1\times {\mathrm{331}}^1\times {\mathrm{421}}^1$

素因数の和:918

約数の個数: 16

約数和(自身を含む): 91908224

約数和(自身を除く): 23765585

約数列:

[1, 3, 163, 331, 421, 489, 993, 1263, 53953, 68623, 139351, 161859, 205869, 418053, 22714213, 68142639]

約数ペア:

[(1, 68142639), (3, 22714213), (163, 418053), (331, 205869), (421, 161859), (489, 139351), (993, 68623), (1263, 53953)]