81536923

素因数分解:

${\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{379}}^1$

素因数の和:491

約数の個数: 24

約数和(自身を含む): 94574400

約数和(自身を除く): 13037477

約数列:

[1, 13, 19, 67, 169, 247, 379, 871, 1273, 3211, 4927, 7201, 11323, 16549, 25393, 64051, 93613, 215137, 330109, 482467, 1216969, 4291417, 6272071, 81536923]

約数ペア:

[(1, 81536923), (13, 6272071), (19, 4291417), (67, 1216969), (169, 482467), (247, 330109), (379, 215137), (871, 93613), (1273, 64051), (3211, 25393), (4927, 16549), (7201, 11323)]