28820727

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{313}}^1\times {\mathrm{787}}^1$

素因数の和:1119

約数の個数: 24

約数和(自身を含む): 45032624

約数和(自身を除く): 16211897

約数列:

[1, 3, 9, 13, 39, 117, 313, 787, 939, 2361, 2817, 4069, 7083, 10231, 12207, 30693, 36621, 92079, 246331, 738993, 2216979, 3202303, 9606909, 28820727]

約数ペア:

[(1, 28820727), (3, 9606909), (9, 3202303), (13, 2216979), (39, 738993), (117, 246331), (313, 92079), (787, 36621), (939, 30693), (2361, 12207), (2817, 10231), (4069, 7083)]