1896001587

素因数分解:

$3^4\times {\mathrm{107}}^1\times {\mathrm{218761}}^1$

素因数の和:218880

約数の個数: 20

約数和(自身を含む): 2858781816

約数和(自身を除く): 962780229

約数列:

[1, 3, 9, 27, 81, 107, 321, 963, 2889, 8667, 218761, 656283, 1968849, 5906547, 17719641, 23407427, 70222281, 210666843, 632000529, 1896001587]

約数ペア:

[(1, 1896001587), (3, 632000529), (9, 210666843), (27, 70222281), (81, 23407427), (107, 17719641), (321, 5906547), (963, 1968849), (2889, 656283), (8667, 218761)]