155993895

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{4243}}^1$

素因数の和:4316

約数の個数: 48

約数和(自身を含む): 291308160

約数和(自身を除く): 135314265

約数列:

[1, 3, 5, 9, 15, 19, 43, 45, 57, 95, 129, 171, 215, 285, 387, 645, 817, 855, 1935, 2451, 4085, 4243, 7353, 12255, 12729, 21215, 36765, 38187, 63645, 80617, 182449, 190935, 241851, 403085, 547347, 725553, 912245, 1209255, 1642041, 2736735, 3466531, 3627765, 8210205, 10399593, 17332655, 31198779, 51997965, 155993895]

約数ペア:

[(1, 155993895), (3, 51997965), (5, 31198779), (9, 17332655), (15, 10399593), (19, 8210205), (43, 3627765), (45, 3466531), (57, 2736735), (95, 1642041), (129, 1209255), (171, 912245), (215, 725553), (285, 547347), (387, 403085), (645, 241851), (817, 190935), (855, 182449), (1935, 80617), (2451, 63645), (4085, 38187), (4243, 36765), (7353, 21215), (12255, 12729)]