81325605

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{4259}}^1$

素因数の和:4353

約数の個数: 32

約数和(自身を含む): 139046400

約数和(自身を除く): 57720795

約数列:

[1, 3, 5, 15, 19, 57, 67, 95, 201, 285, 335, 1005, 1273, 3819, 4259, 6365, 12777, 19095, 21295, 63885, 80921, 242763, 285353, 404605, 856059, 1213815, 1426765, 4280295, 5421707, 16265121, 27108535, 81325605]

約数ペア:

[(1, 81325605), (3, 27108535), (5, 16265121), (15, 5421707), (19, 4280295), (57, 1426765), (67, 1213815), (95, 856059), (201, 404605), (285, 285353), (335, 242763), (1005, 80921), (1273, 63885), (3819, 21295), (4259, 19095), (6365, 12777)]