977686515

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{87961}}^1$

素因数の和:88004

約数の個数: 48

約数和(自身を含む): 1921090080

約数和(自身を除く): 943403565

約数列:

[1, 3, 5, 9, 13, 15, 19, 39, 45, 57, 65, 95, 117, 171, 195, 247, 285, 585, 741, 855, 1235, 2223, 3705, 11115, 87961, 263883, 439805, 791649, 1143493, 1319415, 1671259, 3430479, 3958245, 5013777, 5717465, 8356295, 10291437, 15041331, 17152395, 21726367, 25068885, 51457185, 65179101, 75206655, 108631835, 195537303, 325895505, 977686515]

約数ペア:

[(1, 977686515), (3, 325895505), (5, 195537303), (9, 108631835), (13, 75206655), (15, 65179101), (19, 51457185), (39, 25068885), (45, 21726367), (57, 17152395), (65, 15041331), (95, 10291437), (117, 8356295), (171, 5717465), (195, 5013777), (247, 3958245), (285, 3430479), (585, 1671259), (741, 1319415), (855, 1143493), (1235, 791649), (2223, 439805), (3705, 263883), (11115, 87961)]