28486863

素因数分解:

$3^3\times {\mathrm{73}}^1\times {\mathrm{97}}^1\times {\mathrm{149}}^1$

素因数の和:328

約数の個数: 32

約数和(自身を含む): 43512000

約数和(自身を除く): 15025137

約数列:

[1, 3, 9, 27, 73, 97, 149, 219, 291, 447, 657, 873, 1341, 1971, 2619, 4023, 7081, 10877, 14453, 21243, 32631, 43359, 63729, 97893, 130077, 191187, 293679, 390231, 1055069, 3165207, 9495621, 28486863]

約数ペア:

[(1, 28486863), (3, 9495621), (9, 3165207), (27, 1055069), (73, 390231), (97, 293679), (149, 191187), (219, 130077), (291, 97893), (447, 63729), (657, 43359), (873, 32631), (1341, 21243), (1971, 14453), (2619, 10877), (4023, 7081)]