15490215

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{26479}}^1$

素因数の和:26503

約数の個数: 24

約数和(自身を含む): 28916160

約数和(自身を除く): 13425945

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 585, 26479, 79437, 132395, 238311, 344227, 397185, 1032681, 1191555, 1721135, 3098043, 5163405, 15490215]

約数ペア:

[(1, 15490215), (3, 5163405), (5, 3098043), (9, 1721135), (13, 1191555), (15, 1032681), (39, 397185), (45, 344227), (65, 238311), (117, 132395), (195, 79437), (585, 26479)]