28548045

素因数分解:

$3^4\times 5^1\times {\mathrm{70489}}^1$

素因数の和:70506

約数の個数: 20

約数和(自身を含む): 51175740

約数和(自身を除く): 22627695

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 70489, 211467, 352445, 634401, 1057335, 1903203, 3172005, 5709609, 9516015, 28548045]

約数ペア:

[(1, 28548045), (3, 9516015), (5, 5709609), (9, 3172005), (15, 1903203), (27, 1057335), (45, 634401), (81, 352445), (135, 211467), (405, 70489)]