55545555

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{443}}^1\times {\mathrm{643}}^1$

素因数の和:1107

約数の個数: 32

約数和(自身を含む): 96074496

約数和(自身を除く): 40528941

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 443, 643, 1329, 1929, 2215, 3215, 5759, 6645, 8359, 9645, 17277, 25077, 28795, 41795, 86385, 125385, 284849, 854547, 1424245, 3703037, 4272735, 11109111, 18515185, 55545555]

約数ペア:

[(1, 55545555), (3, 18515185), (5, 11109111), (13, 4272735), (15, 3703037), (39, 1424245), (65, 854547), (195, 284849), (443, 125385), (643, 86385), (1329, 41795), (1929, 28795), (2215, 25077), (3215, 17277), (5759, 9645), (6645, 8359)]