18121565

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^3\times {\mathrm{389}}^1$

素因数の和:434

約数の個数: 32

約数和(自身を含む): 27406080

約数和(自身を除く): 9284515

約数列:

[1, 5, 7, 11, 35, 55, 77, 121, 385, 389, 605, 847, 1331, 1945, 2723, 4235, 4279, 6655, 9317, 13615, 21395, 29953, 46585, 47069, 149765, 235345, 329483, 517759, 1647415, 2588795, 3624313, 18121565]

約数ペア:

[(1, 18121565), (5, 3624313), (7, 2588795), (11, 1647415), (35, 517759), (55, 329483), (77, 235345), (121, 149765), (385, 47069), (389, 46585), (605, 29953), (847, 21395), (1331, 13615), (1945, 9317), (2723, 6655), (4235, 4279)]