81607590

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{906751}}^1$

素因数の和:906764

約数の個数: 24

約数和(自身を含む): 212179968

約数和(自身を除く): 130572378

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 906751, 1813502, 2720253, 4533755, 5440506, 8160759, 9067510, 13601265, 16321518, 27202530, 40803795, 81607590]

約数ペア:

[(1, 81607590), (2, 40803795), (3, 27202530), (5, 16321518), (6, 13601265), (9, 9067510), (10, 8160759), (15, 5440506), (18, 4533755), (30, 2720253), (45, 1813502), (90, 906751)]