2428785

素因数分解:

$3^5\times 5^1\times {\mathrm{1999}}^1$

素因数の和:2019

約数の個数: 24

約数和(自身を含む): 4368000

約数和(自身を除く): 1939215

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 1215, 1999, 5997, 9995, 17991, 29985, 53973, 89955, 161919, 269865, 485757, 809595, 2428785]

約数ペア:

[(1, 2428785), (3, 809595), (5, 485757), (9, 269865), (15, 161919), (27, 89955), (45, 53973), (81, 29985), (135, 17991), (243, 9995), (405, 5997), (1215, 1999)]