2788779

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^2\times {\mathrm{79}}^1$

素因数の和:171

約数の個数: 24

約数和(自身を含む): 4410880

約数和(自身を除く): 1622101

約数列:

[1, 3, 7, 21, 41, 79, 123, 237, 287, 553, 861, 1659, 1681, 3239, 5043, 9717, 11767, 22673, 35301, 68019, 132799, 398397, 929593, 2788779]

約数ペア:

[(1, 2788779), (3, 929593), (7, 398397), (21, 132799), (41, 68019), (79, 35301), (123, 22673), (237, 11767), (287, 9717), (553, 5043), (861, 3239), (1659, 1681)]