18328869

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{661}}^1$

素因数の和:762

約数の個数: 32

約数和(自身を含む): 29657600

約数和(自身を除く): 11328731

約数列:

[1, 3, 9, 13, 27, 39, 79, 117, 237, 351, 661, 711, 1027, 1983, 2133, 3081, 5949, 8593, 9243, 17847, 25779, 27729, 52219, 77337, 156657, 232011, 469971, 678847, 1409913, 2036541, 6109623, 18328869]

約数ペア:

[(1, 18328869), (3, 6109623), (9, 2036541), (13, 1409913), (27, 678847), (39, 469971), (79, 232011), (117, 156657), (237, 77337), (351, 52219), (661, 27729), (711, 25779), (1027, 17847), (1983, 9243), (2133, 8593), (3081, 5949)]