15661900821

素因数分解:

$3^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{569}}^1\times {\mathrm{4567}}^1$

素因数の和:5194

約数の個数: 48

約数和(自身を含む): 24933605760

約数和(自身を除く): 9271704939

約数列:

[1, 3, 7, 21, 41, 49, 123, 147, 287, 569, 861, 1707, 2009, 3983, 4567, 6027, 11949, 13701, 23329, 27881, 31969, 69987, 83643, 95907, 163303, 187247, 223783, 489909, 561741, 671349, 1143121, 1310729, 2598623, 3429363, 3932187, 7795869, 9175103, 18190361, 27525309, 54571083, 106543543, 127332527, 319630629, 381997581, 745804801, 2237414403, 5220633607, 15661900821]

約数ペア:

[(1, 15661900821), (3, 5220633607), (7, 2237414403), (21, 745804801), (41, 381997581), (49, 319630629), (123, 127332527), (147, 106543543), (287, 54571083), (569, 27525309), (861, 18190361), (1707, 9175103), (2009, 7795869), (3983, 3932187), (4567, 3429363), (6027, 2598623), (11949, 1310729), (13701, 1143121), (23329, 671349), (27881, 561741), (31969, 489909), (69987, 223783), (83643, 187247), (95907, 163303)]