13020345

素因数分解:

$3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2473}}^1$

素因数の和:2503

約数の個数: 40

約数和(自身を含む): 25145736

約数和(自身を除く): 12125391

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 81, 117, 135, 195, 351, 405, 585, 1053, 1755, 2473, 5265, 7419, 12365, 22257, 32149, 37095, 66771, 96447, 111285, 160745, 200313, 289341, 333855, 482235, 868023, 1001565, 1446705, 2604069, 4340115, 13020345]

約数ペア:

[(1, 13020345), (3, 4340115), (5, 2604069), (9, 1446705), (13, 1001565), (15, 868023), (27, 482235), (39, 333855), (45, 289341), (65, 200313), (81, 160745), (117, 111285), (135, 96447), (195, 66771), (351, 37095), (405, 32149), (585, 22257), (1053, 12365), (1755, 7419), (2473, 5265)]