28172547

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{389}}^1\times {\mathrm{619}}^1$

素因数の和:1027

約数の個数: 24

約数和(自身を含む): 44007600

約数和(自身を除く): 15835053

約数列:

[1, 3, 9, 13, 39, 117, 389, 619, 1167, 1857, 3501, 5057, 5571, 8047, 15171, 24141, 45513, 72423, 240791, 722373, 2167119, 3130283, 9390849, 28172547]

約数ペア:

[(1, 28172547), (3, 9390849), (9, 3130283), (13, 2167119), (39, 722373), (117, 240791), (389, 72423), (619, 45513), (1167, 24141), (1857, 15171), (3501, 8047), (5057, 5571)]