81413025

素因数分解:

$3^1\times 5^2\times {\mathrm{401}}^1\times {\mathrm{2707}}^1$

素因数の和:3121

約数の個数: 24

約数和(自身を含む): 134988384

約数和(自身を除く): 53575359

約数列:

[1, 3, 5, 15, 25, 75, 401, 1203, 2005, 2707, 6015, 8121, 10025, 13535, 30075, 40605, 67675, 203025, 1085507, 3256521, 5427535, 16282605, 27137675, 81413025]

約数ペア:

[(1, 81413025), (3, 27137675), (5, 16282605), (15, 5427535), (25, 3256521), (75, 1085507), (401, 203025), (1203, 67675), (2005, 40605), (2707, 30075), (6015, 13535), (8121, 10025)]