80781315

素因数分解:

$3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1\times {\mathrm{751}}^1$

素因数の和:931

約数の個数: 32

約数和(自身を含む): 132544512

約数和(自身を除く): 51763197

約数列:

[1, 3, 5, 15, 71, 101, 213, 303, 355, 505, 751, 1065, 1515, 2253, 3755, 7171, 11265, 21513, 35855, 53321, 75851, 107565, 159963, 227553, 266605, 379255, 799815, 1137765, 5385421, 16156263, 26927105, 80781315]

約数ペア:

[(1, 80781315), (3, 26927105), (5, 16156263), (15, 5385421), (71, 1137765), (101, 799815), (213, 379255), (303, 266605), (355, 227553), (505, 159963), (751, 107565), (1065, 75851), (1515, 53321), (2253, 35855), (3755, 21513), (7171, 11265)]