28996461

素因数分解:

$3^5\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{137}}^1$

素因数の和:232

約数の個数: 48

約数和(自身を含む): 47820864

約数和(自身を除く): 18824403

約数列:

[1, 3, 9, 13, 27, 39, 67, 81, 117, 137, 201, 243, 351, 411, 603, 871, 1053, 1233, 1781, 1809, 2613, 3159, 3699, 5343, 5427, 7839, 9179, 11097, 16029, 16281, 23517, 27537, 33291, 48087, 70551, 82611, 119327, 144261, 211653, 247833, 357981, 432783, 743499, 1073943, 2230497, 3221829, 9665487, 28996461]

約数ペア:

[(1, 28996461), (3, 9665487), (9, 3221829), (13, 2230497), (27, 1073943), (39, 743499), (67, 432783), (81, 357981), (117, 247833), (137, 211653), (201, 144261), (243, 119327), (351, 82611), (411, 70551), (603, 48087), (871, 33291), (1053, 27537), (1233, 23517), (1781, 16281), (1809, 16029), (2613, 11097), (3159, 9179), (3699, 7839), (5343, 5427)]