9272151

素因数分解:

$3^6\times 7^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1$

素因数の和:127

約数の個数: 56

約数和(自身を含む): 16788480

約数和(自身を除く): 7516329

約数列:

[1, 3, 7, 9, 21, 23, 27, 63, 69, 79, 81, 161, 189, 207, 237, 243, 483, 553, 567, 621, 711, 729, 1449, 1659, 1701, 1817, 1863, 2133, 4347, 4977, 5103, 5451, 5589, 6399, 12719, 13041, 14931, 16353, 16767, 19197, 38157, 39123, 44793, 49059, 57591, 114471, 117369, 134379, 147177, 343413, 403137, 441531, 1030239, 1324593, 3090717, 9272151]

約数ペア:

[(1, 9272151), (3, 3090717), (7, 1324593), (9, 1030239), (21, 441531), (23, 403137), (27, 343413), (63, 147177), (69, 134379), (79, 117369), (81, 114471), (161, 57591), (189, 49059), (207, 44793), (237, 39123), (243, 38157), (483, 19197), (553, 16767), (567, 16353), (621, 14931), (711, 13041), (729, 12719), (1449, 6399), (1659, 5589), (1701, 5451), (1817, 5103), (1863, 4977), (2133, 4347)]