18779769

素因数分解:

$3^7\times {\mathrm{31}}^1\times {\mathrm{277}}^1$

素因数の和:329

約数の個数: 32

約数和(自身を含む): 29178880

約数和(自身を除く): 10399111

約数列:

[1, 3, 9, 27, 31, 81, 93, 243, 277, 279, 729, 831, 837, 2187, 2493, 2511, 7479, 7533, 8587, 22437, 22599, 25761, 67311, 67797, 77283, 201933, 231849, 605799, 695547, 2086641, 6259923, 18779769]

約数ペア:

[(1, 18779769), (3, 6259923), (9, 2086641), (27, 695547), (31, 605799), (81, 231849), (93, 201933), (243, 77283), (277, 67797), (279, 67311), (729, 25761), (831, 22599), (837, 22437), (2187, 8587), (2493, 7533), (2511, 7479)]