31325301

素因数分解:

$3^2\times 7^1\times {\mathrm{487}}^1\times {\mathrm{1021}}^1$

素因数の和:1521

約数の個数: 24

約数和(自身を含む): 51868544

約数和(自身を除く): 20543243

約数列:

[1, 3, 7, 9, 21, 63, 487, 1021, 1461, 3063, 3409, 4383, 7147, 9189, 10227, 21441, 30681, 64323, 497227, 1491681, 3480589, 4475043, 10441767, 31325301]

約数ペア:

[(1, 31325301), (3, 10441767), (7, 4475043), (9, 3480589), (21, 1491681), (63, 497227), (487, 64323), (1021, 30681), (1461, 21441), (3063, 10227), (3409, 9189), (4383, 7147)]