28729311

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{283}}^1$

素因数の和:455

約数の個数: 32

約数和(自身を含む): 43895040

約数和(自身を除く): 15165729

約数列:

[1, 3, 13, 19, 39, 57, 137, 247, 283, 411, 741, 849, 1781, 2603, 3679, 5343, 5377, 7809, 11037, 16131, 33839, 38771, 69901, 101517, 116313, 209703, 504023, 736649, 1512069, 2209947, 9576437, 28729311]

約数ペア:

[(1, 28729311), (3, 9576437), (13, 2209947), (19, 1512069), (39, 736649), (57, 504023), (137, 209703), (247, 116313), (283, 101517), (411, 69901), (741, 38771), (849, 33839), (1781, 16131), (2603, 11037), (3679, 7809), (5343, 5377)]