421581999

素因数分解:

$3^1\times {\mathrm{79}}^1\times {\mathrm{1307}}^1\times {\mathrm{1361}}^1$

素因数の和:2750

約数の個数: 16

約数和(自身を含む): 570078720

約数和(自身を除く): 148496721

約数列:

[1, 3, 79, 237, 1307, 1361, 3921, 4083, 103253, 107519, 309759, 322557, 1778827, 5336481, 140527333, 421581999]

約数ペア:

[(1, 421581999), (3, 140527333), (79, 5336481), (237, 1778827), (1307, 322557), (1361, 309759), (3921, 107519), (4083, 103253)]