643987245

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1129}}^1\times {\mathrm{3457}}^1$

素因数の和:4605

約数の個数: 32

約数和(自身を含む): 1125371520

約数和(自身を除く): 481384275

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 1129, 3387, 3457, 5645, 10371, 12419, 16935, 17285, 37257, 38027, 51855, 62095, 114081, 186285, 190135, 570405, 3902953, 11708859, 19514765, 42932483, 58544295, 128797449, 214662415, 643987245]

約数ペア:

[(1, 643987245), (3, 214662415), (5, 128797449), (11, 58544295), (15, 42932483), (33, 19514765), (55, 11708859), (165, 3902953), (1129, 570405), (3387, 190135), (3457, 186285), (5645, 114081), (10371, 62095), (12419, 51855), (16935, 38027), (17285, 37257)]