38709009

素因数分解:

$3^4\times {\mathrm{223}}^1\times {\mathrm{2143}}^1$

素因数の和:2378

約数の個数: 20

約数和(自身を含む): 58110976

約数和(自身を除く): 19401967

約数列:

[1, 3, 9, 27, 81, 223, 669, 2007, 2143, 6021, 6429, 18063, 19287, 57861, 173583, 477889, 1433667, 4301001, 12903003, 38709009]

約数ペア:

[(1, 38709009), (3, 12903003), (9, 4301001), (27, 1433667), (81, 477889), (223, 173583), (669, 57861), (2007, 19287), (2143, 18063), (6021, 6429)]