26649495

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{439}}^1$

素因数の和:540

約数の個数: 48

約数和(自身を含む): 49420800

約数和(自身を除く): 22771305

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 71, 95, 171, 213, 285, 355, 439, 639, 855, 1065, 1317, 1349, 2195, 3195, 3951, 4047, 6585, 6745, 8341, 12141, 19755, 20235, 25023, 31169, 41705, 60705, 75069, 93507, 125115, 155845, 280521, 375345, 467535, 592211, 1402605, 1776633, 2961055, 5329899, 8883165, 26649495]

約数ペア:

[(1, 26649495), (3, 8883165), (5, 5329899), (9, 2961055), (15, 1776633), (19, 1402605), (45, 592211), (57, 467535), (71, 375345), (95, 280521), (171, 155845), (213, 125115), (285, 93507), (355, 75069), (439, 60705), (639, 41705), (855, 31169), (1065, 25023), (1317, 20235), (1349, 19755), (2195, 12141), (3195, 8341), (3951, 6745), (4047, 6585)]