408889767

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{6857}}^1$

素因数の和:7023

約数の個数: 32

約数和(自身を含む): 645200640

約数和(自身を除く): 236310873

約数列:

[1, 3, 11, 13, 33, 39, 139, 143, 417, 429, 1529, 1807, 4587, 5421, 6857, 19877, 20571, 59631, 75427, 89141, 226281, 267423, 953123, 980551, 2859369, 2941653, 10484353, 12390599, 31453059, 37171797, 136296589, 408889767]

約数ペア:

[(1, 408889767), (3, 136296589), (11, 37171797), (13, 31453059), (33, 12390599), (39, 10484353), (139, 2941653), (143, 2859369), (417, 980551), (429, 953123), (1529, 267423), (1807, 226281), (4587, 89141), (5421, 75427), (6857, 59631), (19877, 20571)]