281750217

素因数分解:

$3^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{130259}}^1$

素因数の和:130372

約数の個数: 16

約数和(自身を含む): 433505280

約数和(自身を除く): 151755063

約数列:

[1, 3, 7, 21, 103, 309, 721, 2163, 130259, 390777, 911813, 2735439, 13416677, 40250031, 93916739, 281750217]

約数ペア:

[(1, 281750217), (3, 93916739), (7, 40250031), (21, 13416677), (103, 2735439), (309, 911813), (721, 390777), (2163, 130259)]