7870761

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{809}}^1$

素因数の和:885

約数の個数: 24

約数和(自身を含む): 12130560

約数和(自身を除く): 4259799

約数列:

[1, 3, 9, 23, 47, 69, 141, 207, 423, 809, 1081, 2427, 3243, 7281, 9729, 18607, 38023, 55821, 114069, 167463, 342207, 874529, 2623587, 7870761]

約数ペア:

[(1, 7870761), (3, 2623587), (9, 874529), (23, 342207), (47, 167463), (69, 114069), (141, 55821), (207, 38023), (423, 18607), (809, 9729), (1081, 7281), (2427, 3243)]