820804545

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{57179}}^1$

素因数の和:57230

約数の個数: 48

約数和(自身を含む): 1605614400

約数和(自身を除く): 784809855

約数列:

[1, 3, 5, 9, 11, 15, 29, 33, 45, 55, 87, 99, 145, 165, 261, 319, 435, 495, 957, 1305, 1595, 2871, 4785, 14355, 57179, 171537, 285895, 514611, 628969, 857685, 1658191, 1886907, 2573055, 3144845, 4974573, 5660721, 8290955, 9434535, 14923719, 18240101, 24872865, 28303605, 54720303, 74618595, 91200505, 164160909, 273601515, 820804545]

約数ペア:

[(1, 820804545), (3, 273601515), (5, 164160909), (9, 91200505), (11, 74618595), (15, 54720303), (29, 28303605), (33, 24872865), (45, 18240101), (55, 14923719), (87, 9434535), (99, 8290955), (145, 5660721), (165, 4974573), (261, 3144845), (319, 2573055), (435, 1886907), (495, 1658191), (957, 857685), (1305, 628969), (1595, 514611), (2871, 285895), (4785, 171537), (14355, 57179)]