30640761

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{16447}}^1$

素因数の和:16482

約数の個数: 20

約数和(自身を含む): 47764992

約数和(自身を除く): 17124231

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 621, 1863, 16447, 49341, 148023, 378281, 444069, 1134843, 1332207, 3404529, 10213587, 30640761]

約数ペア:

[(1, 30640761), (3, 10213587), (9, 3404529), (23, 1332207), (27, 1134843), (69, 444069), (81, 378281), (207, 148023), (621, 49341), (1863, 16447)]