66118689

素因数分解:

$3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{607}}^1$

素因数の和:659

約数の個数: 72

約数和(自身を含む): 126147840

約数和(自身を除く): 60029151

約数列:

[1, 3, 7, 9, 13, 19, 21, 39, 49, 57, 63, 91, 117, 133, 147, 171, 247, 273, 399, 441, 607, 637, 741, 819, 931, 1197, 1729, 1821, 1911, 2223, 2793, 4249, 5187, 5463, 5733, 7891, 8379, 11533, 12103, 12747, 15561, 23673, 29743, 34599, 36309, 38241, 55237, 71019, 80731, 89229, 103797, 108927, 149929, 165711, 242193, 267687, 386659, 449787, 497133, 565117, 726579, 1049503, 1159977, 1349361, 1695351, 3148509, 3479931, 5086053, 7346521, 9445527, 22039563, 66118689]

約数ペア:

[(1, 66118689), (3, 22039563), (7, 9445527), (9, 7346521), (13, 5086053), (19, 3479931), (21, 3148509), (39, 1695351), (49, 1349361), (57, 1159977), (63, 1049503), (91, 726579), (117, 565117), (133, 497133), (147, 449787), (171, 386659), (247, 267687), (273, 242193), (399, 165711), (441, 149929), (607, 108927), (637, 103797), (741, 89229), (819, 80731), (931, 71019), (1197, 55237), (1729, 38241), (1821, 36309), (1911, 34599), (2223, 29743), (2793, 23673), (4249, 15561), (5187, 12747), (5463, 12103), (5733, 11533), (7891, 8379)]