67771977

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{1523}}^1$

素因数の和:1709

約数の個数: 32

約数和(自身を含む): 111971328

約数和(自身を除く): 44199351

約数列:

[1, 3, 7, 13, 21, 39, 91, 163, 273, 489, 1141, 1523, 2119, 3423, 4569, 6357, 10661, 14833, 19799, 31983, 44499, 59397, 138593, 248249, 415779, 744747, 1737743, 3227237, 5213229, 9681711, 22590659, 67771977]

約数ペア:

[(1, 67771977), (3, 22590659), (7, 9681711), (13, 5213229), (21, 3227237), (39, 1737743), (91, 744747), (163, 415779), (273, 248249), (489, 138593), (1141, 59397), (1523, 44499), (2119, 31983), (3423, 19799), (4569, 14833), (6357, 10661)]