280702419

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{3923}}^1$

素因数の和:4027

約数の個数: 32

約数和(自身を含む): 420401664

約数和(自身を除く): 139699245

約数列:

[1, 3, 17, 23, 51, 61, 69, 183, 391, 1037, 1173, 1403, 3111, 3923, 4209, 11769, 23851, 66691, 71553, 90229, 200073, 239303, 270687, 717909, 1533893, 4068151, 4601679, 5503969, 12204453, 16511907, 93567473, 280702419]

約数ペア:

[(1, 280702419), (3, 93567473), (17, 16511907), (23, 12204453), (51, 5503969), (61, 4601679), (69, 4068151), (183, 1533893), (391, 717909), (1037, 270687), (1173, 239303), (1403, 200073), (3111, 90229), (3923, 71553), (4209, 66691), (11769, 23851)]