81470403

素因数分解:

$3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{31541}}^1$

素因数の和:31595

約数の個数: 24

約数和(自身を含む): 137775456

約数和(自身を除く): 56305053

約数列:

[1, 3, 7, 9, 21, 41, 63, 123, 287, 369, 861, 2583, 31541, 94623, 220787, 283869, 662361, 1293181, 1987083, 3879543, 9052267, 11638629, 27156801, 81470403]

約数ペア:

[(1, 81470403), (3, 27156801), (7, 11638629), (9, 9052267), (21, 3879543), (41, 1987083), (63, 1293181), (123, 662361), (287, 283869), (369, 220787), (861, 94623), (2583, 31541)]