28977345

素因数分解:

$3^4\times 5^1\times {\mathrm{71549}}^1$

素因数の和:71566

約数の個数: 20

約数和(自身を含む): 51945300

約数和(自身を除く): 22967955

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 71549, 214647, 357745, 643941, 1073235, 1931823, 3219705, 5795469, 9659115, 28977345]

約数ペア:

[(1, 28977345), (3, 9659115), (5, 5795469), (9, 3219705), (15, 1931823), (27, 1073235), (45, 643941), (81, 357745), (135, 214647), (405, 71549)]