85810221

素因数分解:

$3^2\times 7^2\times {\mathrm{194581}}^1$

素因数の和:194601

約数の個数: 18

約数和(自身を含む): 144185262

約数和(自身を除く): 58375041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 194581, 583743, 1362067, 1751229, 4086201, 9534469, 12258603, 28603407, 85810221]

約数ペア:

[(1, 85810221), (3, 28603407), (7, 12258603), (9, 9534469), (21, 4086201), (49, 1751229), (63, 1362067), (147, 583743), (441, 194581)]