47212221

素因数分解:

$3^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{12421}}^1$

素因数の和:12612

約数の個数: 16

約数和(自身を含む): 72345728

約数和(自身を除く): 25133507

約数列:

[1, 3, 7, 21, 181, 543, 1267, 3801, 12421, 37263, 86947, 260841, 2248201, 6744603, 15737407, 47212221]

約数ペア:

[(1, 47212221), (3, 15737407), (7, 6744603), (21, 2248201), (181, 260841), (543, 86947), (1267, 37263), (3801, 12421)]