254221821

素因数分解:

$3^4\times 7^1\times {\mathrm{448363}}^1$

素因数の和:448382

約数の個数: 20

約数和(自身を含む): 434016352

約数和(自身を除く): 179794531

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 448363, 1345089, 3138541, 4035267, 9415623, 12105801, 28246869, 36317403, 84740607, 254221821]

約数ペア:

[(1, 254221821), (3, 84740607), (7, 36317403), (9, 28246869), (21, 12105801), (27, 9415623), (63, 4035267), (81, 3138541), (189, 1345089), (567, 448363)]