28283619

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{313}}^1\times {\mathrm{331}}^1$

素因数の和:667

約数の個数: 32

約数和(自身を含む): 46703104

約数和(自身を除く): 18419485

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 313, 331, 939, 993, 2191, 2317, 4069, 4303, 6573, 6951, 12207, 12909, 28483, 30121, 85449, 90363, 103603, 310809, 725221, 1346839, 2175663, 4040517, 9427873, 28283619]

約数ペア:

[(1, 28283619), (3, 9427873), (7, 4040517), (13, 2175663), (21, 1346839), (39, 725221), (91, 310809), (273, 103603), (313, 90363), (331, 85449), (939, 30121), (993, 28483), (2191, 12909), (2317, 12207), (4069, 6951), (4303, 6573)]