31639653

素因数分解:

$3^4\times {\mathrm{167}}^1\times {\mathrm{2339}}^1$

素因数の和:2518

約数の個数: 20

約数和(自身を含む): 47567520

約数和(自身を除く): 15927867

約数列:

[1, 3, 9, 27, 81, 167, 501, 1503, 2339, 4509, 7017, 13527, 21051, 63153, 189459, 390613, 1171839, 3515517, 10546551, 31639653]

約数ペア:

[(1, 31639653), (3, 10546551), (9, 3515517), (27, 1171839), (81, 390613), (167, 189459), (501, 63153), (1503, 21051), (2339, 13527), (4509, 7017)]