2179629

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{379}}^1$

素因数の和:462

約数の個数: 20

約数和(自身を含む): 3310560

約数和(自身を除く): 1130931

約数列:

[1, 3, 9, 27, 71, 81, 213, 379, 639, 1137, 1917, 3411, 5751, 10233, 26909, 30699, 80727, 242181, 726543, 2179629]

約数ペア:

[(1, 2179629), (3, 726543), (9, 242181), (27, 80727), (71, 30699), (81, 26909), (213, 10233), (379, 5751), (639, 3411), (1137, 1917)]