291214209

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{101}}^1$

素因数の和:199

約数の個数: 72

約数和(自身を含む): 476654976

約数和(自身を除く): 185440767

約数列:

[1, 3, 11, 13, 33, 39, 47, 101, 121, 141, 143, 169, 303, 363, 429, 507, 517, 611, 1111, 1313, 1551, 1573, 1833, 1859, 3333, 3939, 4719, 4747, 5577, 5687, 6721, 7943, 12221, 14241, 14443, 17061, 17069, 20163, 20449, 23829, 36663, 43329, 51207, 52217, 61347, 61711, 73931, 87373, 156651, 158873, 185133, 187759, 221793, 262119, 476619, 563277, 574387, 678821, 802243, 961103, 1723161, 2036463, 2065349, 2406729, 2883309, 6196047, 7467031, 8824673, 22401093, 26474019, 97071403, 291214209]

約数ペア:

[(1, 291214209), (3, 97071403), (11, 26474019), (13, 22401093), (33, 8824673), (39, 7467031), (47, 6196047), (101, 2883309), (121, 2406729), (141, 2065349), (143, 2036463), (169, 1723161), (303, 961103), (363, 802243), (429, 678821), (507, 574387), (517, 563277), (611, 476619), (1111, 262119), (1313, 221793), (1551, 187759), (1573, 185133), (1833, 158873), (1859, 156651), (3333, 87373), (3939, 73931), (4719, 61711), (4747, 61347), (5577, 52217), (5687, 51207), (6721, 43329), (7943, 36663), (12221, 23829), (14241, 20449), (14443, 20163), (17061, 17069)]