2254221

素因数分解:

$3^2\times {\mathrm{41}}^2\times {\mathrm{149}}^1$

素因数の和:237

約数の個数: 18

約数和(自身を含む): 3359850

約数和(自身を除く): 1105629

約数列:

[1, 3, 9, 41, 123, 149, 369, 447, 1341, 1681, 5043, 6109, 15129, 18327, 54981, 250469, 751407, 2254221]

約数ペア:

[(1, 2254221), (3, 751407), (9, 250469), (41, 54981), (123, 18327), (149, 15129), (369, 6109), (447, 5043), (1341, 1681)]