13295247

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{241}}^1$

素因数の和:359

約数の個数: 32

約数和(自身を含む): 21187584

約数和(自身を除く): 7892337

約数列:

[1, 3, 7, 21, 37, 71, 111, 213, 241, 259, 497, 723, 777, 1491, 1687, 2627, 5061, 7881, 8917, 17111, 18389, 26751, 51333, 55167, 62419, 119777, 187257, 359331, 633107, 1899321, 4431749, 13295247]

約数ペア:

[(1, 13295247), (3, 4431749), (7, 1899321), (21, 633107), (37, 359331), (71, 187257), (111, 119777), (213, 62419), (241, 55167), (259, 51333), (497, 26751), (723, 18389), (777, 17111), (1491, 8917), (1687, 7881), (2627, 5061)]