15398397

素因数分解:

$3^3\times 7^2\times {\mathrm{103}}^1\times {\mathrm{113}}^1$

素因数の和:239

約数の個数: 48

約数和(自身を含む): 27031680

約数和(自身を除く): 11633283

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 103, 113, 147, 189, 309, 339, 441, 721, 791, 927, 1017, 1323, 2163, 2373, 2781, 3051, 5047, 5537, 6489, 7119, 11639, 15141, 16611, 19467, 21357, 34917, 45423, 49833, 81473, 104751, 136269, 149499, 244419, 314253, 570311, 733257, 1710933, 2199771, 5132799, 15398397]

約数ペア:

[(1, 15398397), (3, 5132799), (7, 2199771), (9, 1710933), (21, 733257), (27, 570311), (49, 314253), (63, 244419), (103, 149499), (113, 136269), (147, 104751), (189, 81473), (309, 49833), (339, 45423), (441, 34917), (721, 21357), (791, 19467), (927, 16611), (1017, 15141), (1323, 11639), (2163, 7119), (2373, 6489), (2781, 5537), (3051, 5047)]