163960839

素因数分解:

$3^2\times 7^1\times {\mathrm{809}}^1\times {\mathrm{3217}}^1$

素因数の和:4039

約数の個数: 24

約数和(自身を含む): 271084320

約数和(自身を除く): 107123481

約数列:

[1, 3, 7, 9, 21, 63, 809, 2427, 3217, 5663, 7281, 9651, 16989, 22519, 28953, 50967, 67557, 202671, 2602553, 7807659, 18217871, 23422977, 54653613, 163960839]

約数ペア:

[(1, 163960839), (3, 54653613), (7, 23422977), (9, 18217871), (21, 7807659), (63, 2602553), (809, 202671), (2427, 67557), (3217, 50967), (5663, 28953), (7281, 22519), (9651, 16989)]