2861973

素因数分解:

$3^4\times {\mathrm{89}}^1\times {\mathrm{397}}^1$

素因数の和:498

約数の個数: 20

約数和(自身を含む): 4334220

約数和(自身を除く): 1472247

約数列:

[1, 3, 9, 27, 81, 89, 267, 397, 801, 1191, 2403, 3573, 7209, 10719, 32157, 35333, 105999, 317997, 953991, 2861973]

約数ペア:

[(1, 2861973), (3, 953991), (9, 317997), (27, 105999), (81, 35333), (89, 32157), (267, 10719), (397, 7209), (801, 3573), (1191, 2403)]