221446239

素因数分解:

$3^1\times 7^2\times {\mathrm{1009}}^1\times {\mathrm{1493}}^1$

素因数の和:2519

約数の個数: 24

約数和(自身を含む): 344038320

約数和(自身を除く): 122592081

約数列:

[1, 3, 7, 21, 49, 147, 1009, 1493, 3027, 4479, 7063, 10451, 21189, 31353, 49441, 73157, 148323, 219471, 1506437, 4519311, 10545059, 31635177, 73815413, 221446239]

約数ペア:

[(1, 221446239), (3, 73815413), (7, 31635177), (21, 10545059), (49, 4519311), (147, 1506437), (1009, 219471), (1493, 148323), (3027, 73157), (4479, 49441), (7063, 31353), (10451, 21189)]