2640585

素因数分解:

$3^1\times 5^1\times {\mathrm{401}}^1\times {\mathrm{439}}^1$

素因数の和:848

約数の個数: 16

約数和(自身を含む): 4245120

約数和(自身を除く): 1604535

約数列:

[1, 3, 5, 15, 401, 439, 1203, 1317, 2005, 2195, 6015, 6585, 176039, 528117, 880195, 2640585]

約数ペア:

[(1, 2640585), (3, 880195), (5, 528117), (15, 176039), (401, 6585), (439, 6015), (1203, 2195), (1317, 2005)]