7870239

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{491}}^1$

素因数の和:647

約数の個数: 24

約数和(自身を含む): 12357072

約数和(自身を除く): 4486833

約数列:

[1, 3, 9, 13, 39, 117, 137, 411, 491, 1233, 1473, 1781, 4419, 5343, 6383, 16029, 19149, 57447, 67267, 201801, 605403, 874471, 2623413, 7870239]

約数ペア:

[(1, 7870239), (3, 2623413), (9, 874471), (13, 605403), (39, 201801), (117, 67267), (137, 57447), (411, 19149), (491, 16029), (1233, 6383), (1473, 5343), (1781, 4419)]