47521071

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{21377}}^1$

素因数の和:21415

約数の個数: 24

約数和(自身を含む): 77815920

約数和(自身を除く): 30294849

約数列:

[1, 3, 9, 13, 19, 39, 57, 117, 171, 247, 741, 2223, 21377, 64131, 192393, 277901, 406163, 833703, 1218489, 2501109, 3655467, 5280119, 15840357, 47521071]

約数ペア:

[(1, 47521071), (3, 15840357), (9, 5280119), (13, 3655467), (19, 2501109), (39, 1218489), (57, 833703), (117, 406163), (171, 277901), (247, 192393), (741, 64131), (2223, 21377)]