28901853

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{151}}^1$

素因数の和:319

約数の個数: 40

約数和(自身を含む): 46347840

約数和(自身を除く): 17445987

約数列:

[1, 3, 9, 17, 27, 51, 81, 139, 151, 153, 417, 453, 459, 1251, 1359, 1377, 2363, 2567, 3753, 4077, 7089, 7701, 11259, 12231, 20989, 21267, 23103, 62967, 63801, 69309, 188901, 191403, 207927, 356813, 566703, 1070439, 1700109, 3211317, 9633951, 28901853]

約数ペア:

[(1, 28901853), (3, 9633951), (9, 3211317), (17, 1700109), (27, 1070439), (51, 566703), (81, 356813), (139, 207927), (151, 191403), (153, 188901), (417, 69309), (453, 63801), (459, 62967), (1251, 23103), (1359, 21267), (1377, 20989), (2363, 12231), (2567, 11259), (3753, 7701), (4077, 7089)]