215223309

素因数分解:

$3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{859}}^1$

素因数の和:1010

約数の個数: 48

約数和(自身を含む): 368135040

約数和(自身を除く): 152911731

約数列:

[1, 3, 7, 9, 21, 41, 63, 97, 123, 287, 291, 369, 679, 859, 861, 873, 2037, 2577, 2583, 3977, 6013, 6111, 7731, 11931, 18039, 27839, 35219, 35793, 54117, 83323, 83517, 105657, 246533, 249969, 250551, 316971, 583261, 739599, 749907, 1749783, 2218797, 3416243, 5249349, 10248729, 23913701, 30746187, 71741103, 215223309]

約数ペア:

[(1, 215223309), (3, 71741103), (7, 30746187), (9, 23913701), (21, 10248729), (41, 5249349), (63, 3416243), (97, 2218797), (123, 1749783), (287, 749907), (291, 739599), (369, 583261), (679, 316971), (859, 250551), (861, 249969), (873, 246533), (2037, 105657), (2577, 83517), (2583, 83323), (3977, 54117), (6013, 35793), (6111, 35219), (7731, 27839), (11931, 18039)]