251001639

素因数分解:

$3^3\times 7^1\times {\mathrm{1328051}}^1$

素因数の和:1328067

約数の個数: 16

約数和(自身を含む): 424976640

約数和(自身を除く): 173975001

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 1328051, 3984153, 9296357, 11952459, 27889071, 35857377, 83667213, 251001639]

約数ペア:

[(1, 251001639), (3, 83667213), (7, 35857377), (9, 27889071), (21, 11952459), (27, 9296357), (63, 3984153), (189, 1328051)]