15417025

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{89}}^1$

素因数の和:166

約数の個数: 36

約数和(自身を含む): 21443940

約数和(自身を除く): 6026915

約数列:

[1, 5, 13, 25, 41, 65, 89, 169, 205, 325, 445, 533, 845, 1025, 1157, 2225, 2665, 3649, 4225, 5785, 6929, 13325, 15041, 18245, 28925, 34645, 47437, 75205, 91225, 173225, 237185, 376025, 616681, 1185925, 3083405, 15417025]

約数ペア:

[(1, 15417025), (5, 3083405), (13, 1185925), (25, 616681), (41, 376025), (65, 237185), (89, 173225), (169, 91225), (205, 75205), (325, 47437), (445, 34645), (533, 28925), (845, 18245), (1025, 15041), (1157, 13325), (2225, 6929), (2665, 5785), (3649, 4225)]