12758193

素因数分解:

$3^2\times 7^1\times {\mathrm{313}}^1\times {\mathrm{647}}^1$

素因数の和:973

約数の個数: 24

約数和(自身を含む): 21161088

約数和(自身を除く): 8402895

約数列:

[1, 3, 7, 9, 21, 63, 313, 647, 939, 1941, 2191, 2817, 4529, 5823, 6573, 13587, 19719, 40761, 202511, 607533, 1417577, 1822599, 4252731, 12758193]

約数ペア:

[(1, 12758193), (3, 4252731), (7, 1822599), (9, 1417577), (21, 607533), (63, 202511), (313, 40761), (647, 19719), (939, 13587), (1941, 6573), (2191, 5823), (2817, 4529)]