8181891

素因数分解:

$3^4\times {\mathrm{83}}^1\times {\mathrm{1217}}^1$

素因数の和:1312

約数の個数: 20

約数和(自身を含む): 12379752

約数和(自身を除く): 4197861

約数列:

[1, 3, 9, 27, 81, 83, 249, 747, 1217, 2241, 3651, 6723, 10953, 32859, 98577, 101011, 303033, 909099, 2727297, 8181891]

約数ペア:

[(1, 8181891), (3, 2727297), (9, 909099), (27, 303033), (81, 101011), (83, 98577), (249, 32859), (747, 10953), (1217, 6723), (2241, 3651)]