47494881

素因数分解:

$3^2\times 7^1\times {\mathrm{521}}^1\times {\mathrm{1447}}^1$

素因数の和:1981

約数の個数: 24

約数和(自身を含む): 78609024

約数和(自身を除く): 31114143

約数列:

[1, 3, 7, 9, 21, 63, 521, 1447, 1563, 3647, 4341, 4689, 10129, 10941, 13023, 30387, 32823, 91161, 753887, 2261661, 5277209, 6784983, 15831627, 47494881]

約数ペア:

[(1, 47494881), (3, 15831627), (7, 6784983), (9, 5277209), (21, 2261661), (63, 753887), (521, 91161), (1447, 32823), (1563, 30387), (3647, 13023), (4341, 10941), (4689, 10129)]