212866353

素因数分解:

$3^3\times 7^1\times {\mathrm{137}}^1\times {\mathrm{8221}}^1$

素因数の和:8374

約数の個数: 32

約数和(自身を含む): 363083520

約数和(自身を除く): 150217167

約数列:

[1, 3, 7, 9, 21, 27, 63, 137, 189, 411, 959, 1233, 2877, 3699, 8221, 8631, 24663, 25893, 57547, 73989, 172641, 221967, 517923, 1126277, 1553769, 3378831, 7883939, 10136493, 23651817, 30409479, 70955451, 212866353]

約数ペア:

[(1, 212866353), (3, 70955451), (7, 30409479), (9, 23651817), (21, 10136493), (27, 7883939), (63, 3378831), (137, 1553769), (189, 1126277), (411, 517923), (959, 221967), (1233, 172641), (2877, 73989), (3699, 57547), (8221, 25893), (8631, 24663)]