2171505

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{20681}}^1$

素因数の和:20696

約数の個数: 16

約数和(自身を含む): 3970944

約数和(自身を除く): 1799439

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 20681, 62043, 103405, 144767, 310215, 434301, 723835, 2171505]

約数ペア:

[(1, 2171505), (3, 723835), (5, 434301), (7, 310215), (15, 144767), (21, 103405), (35, 62043), (105, 20681)]