47721807

素因数分解:

$3^2\times 7^1\times {\mathrm{401}}^1\times {\mathrm{1889}}^1$

素因数の和:2303

約数の個数: 24

約数和(自身を含む): 79017120

約数和(自身を除く): 31295313

約数列:

[1, 3, 7, 9, 21, 63, 401, 1203, 1889, 2807, 3609, 5667, 8421, 13223, 17001, 25263, 39669, 119007, 757489, 2272467, 5302423, 6817401, 15907269, 47721807]

約数ペア:

[(1, 47721807), (3, 15907269), (7, 6817401), (9, 5302423), (21, 2272467), (63, 757489), (401, 119007), (1203, 39669), (1889, 25263), (2807, 17001), (3609, 13223), (5667, 8421)]