1230309

素因数分解:

$3^5\times {\mathrm{61}}^1\times {\mathrm{83}}^1$

素因数の和:159

約数の個数: 24

約数和(自身を含む): 1895712

約数和(自身を除く): 665403

約数列:

[1, 3, 9, 27, 61, 81, 83, 183, 243, 249, 549, 747, 1647, 2241, 4941, 5063, 6723, 14823, 15189, 20169, 45567, 136701, 410103, 1230309]

約数ペア:

[(1, 1230309), (3, 410103), (9, 136701), (27, 45567), (61, 20169), (81, 15189), (83, 14823), (183, 6723), (243, 5063), (249, 4941), (549, 2241), (747, 1647)]