7878951

素因数分解:

$3^4\times {\mathrm{211}}^1\times {\mathrm{461}}^1$

素因数の和:684

約数の個数: 20

約数和(自身を含む): 11851224

約数和(自身を除く): 3972273

約数列:

[1, 3, 9, 27, 81, 211, 461, 633, 1383, 1899, 4149, 5697, 12447, 17091, 37341, 97271, 291813, 875439, 2626317, 7878951]

約数ペア:

[(1, 7878951), (3, 2626317), (9, 875439), (27, 291813), (81, 97271), (211, 37341), (461, 17091), (633, 12447), (1383, 5697), (1899, 4149)]