207855999

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{829}}^1\times {\mathrm{2143}}^1$

素因数の和:2991

約数の個数: 24

約数和(自身を含む): 323872640

約数和(自身を除く): 116016641

約数列:

[1, 3, 9, 13, 39, 117, 829, 2143, 2487, 6429, 7461, 10777, 19287, 27859, 32331, 83577, 96993, 250731, 1776547, 5329641, 15988923, 23095111, 69285333, 207855999]

約数ペア:

[(1, 207855999), (3, 69285333), (9, 23095111), (13, 15988923), (39, 5329641), (117, 1776547), (829, 250731), (2143, 96993), (2487, 83577), (6429, 32331), (7461, 27859), (10777, 19287)]