42856821

素因数分解:

$3^2\times 7^3\times {\mathrm{13883}}^1$

素因数の和:13910

約数の個数: 24

約数和(自身を含む): 72196800

約数和(自身を除く): 29339979

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 343, 441, 1029, 3087, 13883, 41649, 97181, 124947, 291543, 680267, 874629, 2040801, 4761869, 6122403, 14285607, 42856821]

約数ペア:

[(1, 42856821), (3, 14285607), (7, 6122403), (9, 4761869), (21, 2040801), (49, 874629), (63, 680267), (147, 291543), (343, 124947), (441, 97181), (1029, 41649), (3087, 13883)]