5220045

素因数分解:

$3^4\times 5^1\times {\mathrm{12889}}^1$

素因数の和:12906

約数の個数: 20

約数和(自身を含む): 9358140

約数和(自身を除く): 4138095

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 12889, 38667, 64445, 116001, 193335, 348003, 580005, 1044009, 1740015, 5220045]

約数ペア:

[(1, 5220045), (3, 1740015), (5, 1044009), (9, 580005), (15, 348003), (27, 193335), (45, 116001), (81, 64445), (135, 38667), (405, 12889)]