28996515

素因数分解:

$3^3\times 5^1\times {\mathrm{214789}}^1$

素因数の和:214803

約数の個数: 16

約数和(自身を含む): 51549600

約数和(自身を除く): 22553085

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 214789, 644367, 1073945, 1933101, 3221835, 5799303, 9665505, 28996515]

約数ペア:

[(1, 28996515), (3, 9665505), (5, 5799303), (9, 3221835), (15, 1933101), (27, 1073945), (45, 644367), (135, 214789)]