71128473

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{163}}^1\times {\mathrm{167}}^1$

素因数の和:413

約数の個数: 32

約数和(自身を含む): 104918016

約数和(自身を除く): 33789543

約数列:

[1, 3, 13, 39, 67, 163, 167, 201, 489, 501, 871, 2119, 2171, 2613, 6357, 6513, 10921, 11189, 27221, 32763, 33567, 81663, 141973, 145457, 353873, 425919, 436371, 1061619, 1823807, 5471421, 23709491, 71128473]

約数ペア:

[(1, 71128473), (3, 23709491), (13, 5471421), (39, 1823807), (67, 1061619), (163, 436371), (167, 425919), (201, 353873), (489, 145457), (501, 141973), (871, 81663), (2119, 33567), (2171, 32763), (2613, 27221), (6357, 11189), (6513, 10921)]