15490785

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{239}}^1$

素因数の和:425

約数の個数: 32

約数和(自身を含む): 25920000

約数和(自身を除く): 10429215

約数列:

[1, 3, 5, 15, 29, 87, 145, 149, 239, 435, 447, 717, 745, 1195, 2235, 3585, 4321, 6931, 12963, 20793, 21605, 34655, 35611, 64815, 103965, 106833, 178055, 534165, 1032719, 3098157, 5163595, 15490785]

約数ペア:

[(1, 15490785), (3, 5163595), (5, 3098157), (15, 1032719), (29, 534165), (87, 178055), (145, 106833), (149, 103965), (239, 64815), (435, 35611), (447, 34655), (717, 21605), (745, 20793), (1195, 12963), (2235, 6931), (3585, 4321)]