691505919

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{109}}^1$

素因数の和:281

約数の個数: 72

約数和(自身を含む): 1128407280

約数和(自身を除く): 436901361

約数列:

[1, 3, 9, 13, 39, 43, 97, 109, 117, 129, 169, 291, 327, 387, 507, 559, 873, 981, 1261, 1417, 1521, 1677, 3783, 4171, 4251, 4687, 5031, 7267, 10573, 11349, 12513, 12753, 14061, 16393, 18421, 21801, 31719, 37539, 42183, 49179, 54223, 55263, 60931, 65403, 95157, 137449, 147537, 162669, 165789, 182793, 412347, 454639, 488007, 548379, 704899, 792103, 1237041, 1363917, 1786837, 2114697, 2376309, 4091751, 5360511, 5910307, 6344091, 7128927, 16081533, 17730921, 53192763, 76833991, 230501973, 691505919]

約数ペア:

[(1, 691505919), (3, 230501973), (9, 76833991), (13, 53192763), (39, 17730921), (43, 16081533), (97, 7128927), (109, 6344091), (117, 5910307), (129, 5360511), (169, 4091751), (291, 2376309), (327, 2114697), (387, 1786837), (507, 1363917), (559, 1237041), (873, 792103), (981, 704899), (1261, 548379), (1417, 488007), (1521, 454639), (1677, 412347), (3783, 182793), (4171, 165789), (4251, 162669), (4687, 147537), (5031, 137449), (7267, 95157), (10573, 65403), (11349, 60931), (12513, 55263), (12753, 54223), (14061, 49179), (16393, 42183), (18421, 37539), (21801, 31719)]