28785459

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1\times {\mathrm{907}}^1$

素因数の和:1130

約数の個数: 16

約数和(自身を含む): 39225600

約数和(自身を除く): 10440141

約数列:

[1, 3, 71, 149, 213, 447, 907, 2721, 10579, 31737, 64397, 135143, 193191, 405429, 9595153, 28785459]

約数ペア:

[(1, 28785459), (3, 9595153), (71, 405429), (149, 193191), (213, 135143), (447, 64397), (907, 31737), (2721, 10579)]