42167979

素因数分解:

$3^3\times 7^2\times {\mathrm{31873}}^1$

素因数の和:31896

約数の個数: 24

約数和(自身を含む): 72672720

約数和(自身を除く): 30504741

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 31873, 95619, 223111, 286857, 669333, 860571, 1561777, 2007999, 4685331, 6023997, 14055993, 42167979]

約数ペア:

[(1, 42167979), (3, 14055993), (7, 6023997), (9, 4685331), (21, 2007999), (27, 1561777), (49, 860571), (63, 669333), (147, 286857), (189, 223111), (441, 95619), (1323, 31873)]