22155939

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{409}}^1\times {\mathrm{463}}^1$

素因数の和:891

約数の個数: 24

約数和(自身を含む): 34623680

約数和(自身を除く): 12467741

約数列:

[1, 3, 9, 13, 39, 117, 409, 463, 1227, 1389, 3681, 4167, 5317, 6019, 15951, 18057, 47853, 54171, 189367, 568101, 1704303, 2461771, 7385313, 22155939]

約数ペア:

[(1, 22155939), (3, 7385313), (9, 2461771), (13, 1704303), (39, 568101), (117, 189367), (409, 54171), (463, 47853), (1227, 18057), (1389, 15951), (3681, 6019), (4167, 5317)]