7720479

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{151}}^1$

素因数の和:212

約数の個数: 48

約数和(自身を含む): 13278720

約数和(自身を除く): 5558241

約数列:

[1, 3, 9, 13, 19, 23, 39, 57, 69, 117, 151, 171, 207, 247, 299, 437, 453, 741, 897, 1311, 1359, 1963, 2223, 2691, 2869, 3473, 3933, 5681, 5889, 8607, 10419, 17043, 17667, 25821, 31257, 37297, 45149, 51129, 65987, 111891, 135447, 197961, 335673, 406341, 593883, 857831, 2573493, 7720479]

約数ペア:

[(1, 7720479), (3, 2573493), (9, 857831), (13, 593883), (19, 406341), (23, 335673), (39, 197961), (57, 135447), (69, 111891), (117, 65987), (151, 51129), (171, 45149), (207, 37297), (247, 31257), (299, 25821), (437, 17667), (453, 17043), (741, 10419), (897, 8607), (1311, 5889), (1359, 5681), (1963, 3933), (2223, 3473), (2691, 2869)]