39980709

素因数分解:

$3^4\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1$

素因数の和:271

約数の個数: 40

約数和(自身を含む): 62203680

約数和(自身を除く): 22222971

約数列:

[1, 3, 9, 27, 53, 67, 81, 139, 159, 201, 417, 477, 603, 1251, 1431, 1809, 3551, 3753, 4293, 5427, 7367, 9313, 10653, 11259, 22101, 27939, 31959, 66303, 83817, 95877, 198909, 251451, 287631, 493589, 596727, 754353, 1480767, 4442301, 13326903, 39980709]

約数ペア:

[(1, 39980709), (3, 13326903), (9, 4442301), (27, 1480767), (53, 754353), (67, 596727), (81, 493589), (139, 287631), (159, 251451), (201, 198909), (417, 95877), (477, 83817), (603, 66303), (1251, 31959), (1431, 27939), (1809, 22101), (3551, 11259), (3753, 10653), (4293, 9313), (5427, 7367)]