20181076901145

素因数分解:

$3^4\times 5^1\times {\mathrm{49829819509}}^1$

素因数の和:49829819526

約数の個数: 20

約数和(自身を含む): 36176448964260

約数和(自身を除く): 15995372063115

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 49829819509, 149489458527, 249149097545, 448468375581, 747447292635, 1345405126743, 2242341877905, 4036215380229, 6727025633715, 20181076901145]

約数ペア:

[(1, 20181076901145), (3, 6727025633715), (5, 4036215380229), (9, 2242341877905), (15, 1345405126743), (27, 747447292635), (45, 448468375581), (81, 249149097545), (135, 149489458527), (405, 49829819509)]