71889597

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{443}}^1$

素因数の和:554

約数の個数: 48

約数和(自身を含む): 119595840

約数和(自身を除く): 47706243

約数列:

[1, 3, 9, 13, 19, 39, 57, 73, 117, 171, 219, 247, 443, 657, 741, 949, 1329, 1387, 2223, 2847, 3987, 4161, 5759, 8417, 8541, 12483, 17277, 18031, 25251, 32339, 51831, 54093, 75753, 97017, 109421, 162279, 291051, 328263, 420407, 614441, 984789, 1261221, 1843323, 3783663, 5529969, 7987733, 23963199, 71889597]

約数ペア:

[(1, 71889597), (3, 23963199), (9, 7987733), (13, 5529969), (19, 3783663), (39, 1843323), (57, 1261221), (73, 984789), (117, 614441), (171, 420407), (219, 328263), (247, 291051), (443, 162279), (657, 109421), (741, 97017), (949, 75753), (1329, 54093), (1387, 51831), (2223, 32339), (2847, 25251), (3987, 18031), (4161, 17277), (5759, 12483), (8417, 8541)]