2810007

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1$

素因数の和:239

約数の個数: 24

約数和(自身を含む): 4262544

約数和(自身を除く): 1452537

約数列:

[1, 3, 9, 43, 53, 129, 137, 159, 387, 411, 477, 1233, 2279, 5891, 6837, 7261, 17673, 20511, 21783, 53019, 65349, 312223, 936669, 2810007]

約数ペア:

[(1, 2810007), (3, 936669), (9, 312223), (43, 65349), (53, 53019), (129, 21783), (137, 20511), (159, 17673), (387, 7261), (411, 6837), (477, 5891), (1233, 2279)]