249533217

素因数分解:

$3^4\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{599}}^1$

素因数の和:787

約数の個数: 40

約数和(自身を含む): 386232000

約数和(自身を除く): 136698783

約数列:

[1, 3, 9, 27, 37, 81, 111, 139, 333, 417, 599, 999, 1251, 1797, 2997, 3753, 5143, 5391, 11259, 15429, 16173, 22163, 46287, 48519, 66489, 83261, 138861, 199467, 249783, 416583, 598401, 749349, 1795203, 2248047, 3080657, 6744141, 9241971, 27725913, 83177739, 249533217]

約数ペア:

[(1, 249533217), (3, 83177739), (9, 27725913), (27, 9241971), (37, 6744141), (81, 3080657), (111, 2248047), (139, 1795203), (333, 749349), (417, 598401), (599, 416583), (999, 249783), (1251, 199467), (1797, 138861), (2997, 83261), (3753, 66489), (5143, 48519), (5391, 46287), (11259, 22163), (15429, 16173)]