12745305

素因数分解:

$3^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{2647}}^1$

素因数の和:2765

約数の個数: 24

約数和(自身を含む): 22306752

約数和(自身を除く): 9561447

約数列:

[1, 3, 5, 9, 15, 45, 107, 321, 535, 963, 1605, 2647, 4815, 7941, 13235, 23823, 39705, 119115, 283229, 849687, 1416145, 2549061, 4248435, 12745305]

約数ペア:

[(1, 12745305), (3, 4248435), (5, 2549061), (9, 1416145), (15, 849687), (45, 283229), (107, 119115), (321, 39705), (535, 23823), (963, 13235), (1605, 7941), (2647, 4815)]