66810645

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1901}}^1$

素因数の和:1994

約数の個数: 48

約数和(自身を含む): 128179584

約数和(自身を除く): 61368939

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 71, 99, 165, 213, 355, 495, 639, 781, 1065, 1901, 2343, 3195, 3905, 5703, 7029, 9505, 11715, 17109, 20911, 28515, 35145, 62733, 85545, 104555, 134971, 188199, 313665, 404913, 674855, 940995, 1214739, 1484681, 2024565, 4454043, 6073695, 7423405, 13362129, 22270215, 66810645]

約数ペア:

[(1, 66810645), (3, 22270215), (5, 13362129), (9, 7423405), (11, 6073695), (15, 4454043), (33, 2024565), (45, 1484681), (55, 1214739), (71, 940995), (99, 674855), (165, 404913), (213, 313665), (355, 188199), (495, 134971), (639, 104555), (781, 85545), (1065, 62733), (1901, 35145), (2343, 28515), (3195, 20911), (3905, 17109), (5703, 11715), (7029, 9505)]