9921891

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{15241}}^1$

素因数の和:15282

約数の個数: 16

約数和(自身を含む): 15607808

約数和(自身を除く): 5685917

約数列:

[1, 3, 7, 21, 31, 93, 217, 651, 15241, 45723, 106687, 320061, 472471, 1417413, 3307297, 9921891]

約数ペア:

[(1, 9921891), (3, 3307297), (7, 1417413), (21, 472471), (31, 320061), (93, 106687), (217, 45723), (651, 15241)]