31505031

素因数分解:

$3^4\times {\mathrm{101}}^1\times {\mathrm{3851}}^1$

素因数の和:3964

約数の個数: 20

約数和(自身を含む): 47541384

約数和(自身を除く): 16036353

約数列:

[1, 3, 9, 27, 81, 101, 303, 909, 2727, 3851, 8181, 11553, 34659, 103977, 311931, 388951, 1166853, 3500559, 10501677, 31505031]

約数ペア:

[(1, 31505031), (3, 10501677), (9, 3500559), (27, 1166853), (81, 388951), (101, 311931), (303, 103977), (909, 34659), (2727, 11553), (3851, 8181)]