28039977

素因数分解:

$3^2\times 7^1\times {\mathrm{181}}^1\times {\mathrm{2459}}^1$

素因数の和:2653

約数の個数: 24

約数和(自身を含む): 46562880

約数和(自身を除く): 18522903

約数列:

[1, 3, 7, 9, 21, 63, 181, 543, 1267, 1629, 2459, 3801, 7377, 11403, 17213, 22131, 51639, 154917, 445079, 1335237, 3115553, 4005711, 9346659, 28039977]

約数ペア:

[(1, 28039977), (3, 9346659), (7, 4005711), (9, 3115553), (21, 1335237), (63, 445079), (181, 154917), (543, 51639), (1267, 22131), (1629, 17213), (2459, 11403), (3801, 7377)]