25980921

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{181}}^1\times {\mathrm{389}}^1$

素因数の和:617

約数の個数: 24

約数和(自身を含む): 38755080

約数和(自身を除く): 12774159

約数列:

[1, 3, 9, 41, 123, 181, 369, 389, 543, 1167, 1629, 3501, 7421, 15949, 22263, 47847, 66789, 70409, 143541, 211227, 633681, 2886769, 8660307, 25980921]

約数ペア:

[(1, 25980921), (3, 8660307), (9, 2886769), (41, 633681), (123, 211227), (181, 143541), (369, 70409), (389, 66789), (543, 47847), (1167, 22263), (1629, 15949), (3501, 7421)]