205476915

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{18289}}^1$

素因数の和:18411

約数の個数: 32

約数和(自身を含む): 379261440

約数和(自身を除く): 173784525

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 107, 321, 535, 749, 1605, 2247, 3745, 11235, 18289, 54867, 91445, 128023, 274335, 384069, 640115, 1920345, 1956923, 5870769, 9784615, 13698461, 29353845, 41095383, 68492305, 205476915]

約数ペア:

[(1, 205476915), (3, 68492305), (5, 41095383), (7, 29353845), (15, 13698461), (21, 9784615), (35, 5870769), (105, 1956923), (107, 1920345), (321, 640115), (535, 384069), (749, 274335), (1605, 128023), (2247, 91445), (3745, 54867), (11235, 18289)]