87195969

素因数分解:

$3^2\times 7^1\times {\mathrm{241}}^1\times {\mathrm{5743}}^1$

素因数の和:5997

約数の個数: 24

約数和(自身を含む): 144564992

約数和(自身を除く): 57369023

約数列:

[1, 3, 7, 9, 21, 63, 241, 723, 1687, 2169, 5061, 5743, 15183, 17229, 40201, 51687, 120603, 361809, 1384063, 4152189, 9688441, 12456567, 29065323, 87195969]

約数ペア:

[(1, 87195969), (3, 29065323), (7, 12456567), (9, 9688441), (21, 4152189), (63, 1384063), (241, 361809), (723, 120603), (1687, 51687), (2169, 40201), (5061, 17229), (5743, 15183)]