2640465

素因数分解:

$3^3\times 5^1\times {\mathrm{19559}}^1$

素因数の和:19573

約数の個数: 16

約数和(自身を含む): 4694400

約数和(自身を除く): 2053935

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 19559, 58677, 97795, 176031, 293385, 528093, 880155, 2640465]

約数ペア:

[(1, 2640465), (3, 880155), (5, 528093), (9, 293385), (15, 176031), (27, 97795), (45, 58677), (135, 19559)]