15139865

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1$

素因数の和:114

約数の個数: 48

約数和(自身を含む): 22135680

約数和(自身を除く): 6995815

約数列:

[1, 5, 13, 19, 23, 41, 65, 95, 115, 169, 205, 247, 299, 437, 533, 779, 845, 943, 1235, 1495, 2185, 2665, 3211, 3887, 3895, 4715, 5681, 6929, 10127, 12259, 16055, 17917, 19435, 28405, 34645, 50635, 61295, 73853, 89585, 131651, 159367, 232921, 369265, 658255, 796835, 1164605, 3027973, 15139865]

約数ペア:

[(1, 15139865), (5, 3027973), (13, 1164605), (19, 796835), (23, 658255), (41, 369265), (65, 232921), (95, 159367), (115, 131651), (169, 89585), (205, 73853), (247, 61295), (299, 50635), (437, 34645), (533, 28405), (779, 19435), (845, 17917), (943, 16055), (1235, 12259), (1495, 10127), (2185, 6929), (2665, 5681), (3211, 4715), (3887, 3895)]