978148353

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{26153}}^1$

素因数の和:26313

約数の個数: 32

約数和(自身を含む): 1616944896

約数和(自身を除く): 638796543

約数列:

[1, 3, 7, 13, 21, 39, 91, 137, 273, 411, 959, 1781, 2877, 5343, 12467, 26153, 37401, 78459, 183071, 339989, 549213, 1019967, 2379923, 3582961, 7139769, 10748883, 25080727, 46578493, 75242181, 139735479, 326049451, 978148353]

約数ペア:

[(1, 978148353), (3, 326049451), (7, 139735479), (13, 75242181), (21, 46578493), (39, 25080727), (91, 10748883), (137, 7139769), (273, 3582961), (411, 2379923), (959, 1019967), (1781, 549213), (2877, 339989), (5343, 183071), (12467, 78459), (26153, 37401)]