289330821

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{397}}^1\times {\mathrm{6229}}^1$

素因数の和:6645

約数の個数: 24

約数和(自身を含む): 451276280

約数和(自身を除く): 161945459

約数列:

[1, 3, 9, 13, 39, 117, 397, 1191, 3573, 5161, 6229, 15483, 18687, 46449, 56061, 80977, 242931, 728793, 2472913, 7418739, 22256217, 32147869, 96443607, 289330821]

約数ペア:

[(1, 289330821), (3, 96443607), (9, 32147869), (13, 22256217), (39, 7418739), (117, 2472913), (397, 728793), (1191, 242931), (3573, 80977), (5161, 56061), (6229, 46449), (15483, 18687)]