2813499

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{173}}^1$

素因数の和:331

約数の個数: 24

約数和(自身を含む): 4433520

約数和(自身を除く): 1620021

約数列:

[1, 3, 9, 13, 39, 117, 139, 173, 417, 519, 1251, 1557, 1807, 2249, 5421, 6747, 16263, 20241, 24047, 72141, 216423, 312611, 937833, 2813499]

約数ペア:

[(1, 2813499), (3, 937833), (9, 312611), (13, 216423), (39, 72141), (117, 24047), (139, 20241), (173, 16263), (417, 6747), (519, 5421), (1251, 2249), (1557, 1807)]