28797813

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{241}}^1$

素因数の和:346

約数の個数: 48

約数和(自身を含む): 48926592

約数和(自身を除く): 20128779

約数列:

[1, 3, 9, 11, 17, 33, 51, 71, 99, 153, 187, 213, 241, 561, 639, 723, 781, 1207, 1683, 2169, 2343, 2651, 3621, 4097, 7029, 7953, 10863, 12291, 13277, 17111, 23859, 36873, 39831, 45067, 51333, 119493, 135201, 153999, 188221, 290887, 405603, 564663, 872661, 1693989, 2617983, 3199757, 9599271, 28797813]

約数ペア:

[(1, 28797813), (3, 9599271), (9, 3199757), (11, 2617983), (17, 1693989), (33, 872661), (51, 564663), (71, 405603), (99, 290887), (153, 188221), (187, 153999), (213, 135201), (241, 119493), (561, 51333), (639, 45067), (723, 39831), (781, 36873), (1207, 23859), (1683, 17111), (2169, 13277), (2343, 12291), (2651, 10863), (3621, 7953), (4097, 7029)]