1209411

素因数分解:

$3^7\times 7^1\times {\mathrm{79}}^1$

素因数の和:107

約数の個数: 32

約数和(自身を含む): 2099200

約数和(自身を除く): 889789

約数列:

[1, 3, 7, 9, 21, 27, 63, 79, 81, 189, 237, 243, 553, 567, 711, 729, 1659, 1701, 2133, 2187, 4977, 5103, 6399, 14931, 15309, 19197, 44793, 57591, 134379, 172773, 403137, 1209411]

約数ペア:

[(1, 1209411), (3, 403137), (7, 172773), (9, 134379), (21, 57591), (27, 44793), (63, 19197), (79, 15309), (81, 14931), (189, 6399), (237, 5103), (243, 4977), (553, 2187), (567, 2133), (711, 1701), (729, 1659)]