42481971

素因数分解:

$3^2\times 7^2\times {\mathrm{96331}}^1$

素因数の和:96351

約数の個数: 18

約数和(自身を含む): 71382012

約数和(自身を除く): 28900041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 96331, 288993, 674317, 866979, 2022951, 4720219, 6068853, 14160657, 42481971]

約数ペア:

[(1, 42481971), (3, 14160657), (7, 6068853), (9, 4720219), (21, 2022951), (49, 866979), (63, 674317), (147, 288993), (441, 96331)]