64719639

素因数分解:

$3^2\times {\mathrm{157}}^1\times {\mathrm{163}}^1\times {\mathrm{281}}^1$

素因数の和:607

約数の個数: 24

約数和(自身を含む): 94993392

約数和(自身を除く): 30273753

約数列:

[1, 3, 9, 157, 163, 281, 471, 489, 843, 1413, 1467, 2529, 25591, 44117, 45803, 76773, 132351, 137409, 230319, 397053, 412227, 7191071, 21573213, 64719639]

約数ペア:

[(1, 64719639), (3, 21573213), (9, 7191071), (157, 412227), (163, 397053), (281, 230319), (471, 137409), (489, 132351), (843, 76773), (1413, 45803), (1467, 44117), (2529, 25591)]