28729485

素因数分解:

$3^4\times 5^1\times {\mathrm{70937}}^1$

素因数の和:70954

約数の個数: 20

約数和(自身を含む): 51500988

約数和(自身を除く): 22771503

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 70937, 212811, 354685, 638433, 1064055, 1915299, 3192165, 5745897, 9576495, 28729485]

約数ペア:

[(1, 28729485), (3, 9576495), (5, 5745897), (9, 3192165), (15, 1915299), (27, 1064055), (45, 638433), (81, 354685), (135, 212811), (405, 70937)]