231931821

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^2\times {\mathrm{61}}^1\times {\mathrm{137}}^1$

素因数の和:270

約数の個数: 48

約数和(自身を含む): 357709248

約数和(自身を除く): 125777427

約数列:

[1, 3, 11, 29, 33, 61, 87, 137, 183, 319, 411, 671, 841, 957, 1507, 1769, 2013, 2523, 3973, 4521, 5307, 8357, 9251, 11919, 19459, 25071, 27753, 43703, 51301, 58377, 91927, 115217, 131109, 153903, 242353, 275781, 345651, 564311, 727059, 1267387, 1692933, 2665883, 3802161, 7028237, 7997649, 21084711, 77310607, 231931821]

約数ペア:

[(1, 231931821), (3, 77310607), (11, 21084711), (29, 7997649), (33, 7028237), (61, 3802161), (87, 2665883), (137, 1692933), (183, 1267387), (319, 727059), (411, 564311), (671, 345651), (841, 275781), (957, 242353), (1507, 153903), (1769, 131109), (2013, 115217), (2523, 91927), (3973, 58377), (4521, 51301), (5307, 43703), (8357, 27753), (9251, 25071), (11919, 19459)]