121544145

素因数分解:

$3^4\times 5^1\times {\mathrm{300109}}^1$

素因数の和:300126

約数の個数: 20

約数和(自身を含む): 217879860

約数和(自身を除く): 96335715

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 300109, 900327, 1500545, 2700981, 4501635, 8102943, 13504905, 24308829, 40514715, 121544145]

約数ペア:

[(1, 121544145), (3, 40514715), (5, 24308829), (9, 13504905), (15, 8102943), (27, 4501635), (45, 2700981), (81, 1500545), (135, 900327), (405, 300109)]