680535

素因数分解:

$3^3\times 5^1\times {\mathrm{71}}^2$

素因数の和:156

約数の個数: 24

約数和(自身を含む): 1227120

約数和(自身を除く): 546585

約数列:

[1, 3, 5, 9, 15, 27, 45, 71, 135, 213, 355, 639, 1065, 1917, 3195, 5041, 9585, 15123, 25205, 45369, 75615, 136107, 226845, 680535]

約数ペア:

[(1, 680535), (3, 226845), (5, 136107), (9, 75615), (15, 45369), (27, 25205), (45, 15123), (71, 9585), (135, 5041), (213, 3195), (355, 1917), (639, 1065)]