215190765

素因数分解:

$3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{34403}}^1$

素因数の和:34553

約数の個数: 24

約数和(自身を含む): 375691680

約数和(自身を除く): 160500915

約数列:

[1, 3, 5, 9, 15, 45, 139, 417, 695, 1251, 2085, 6255, 34403, 103209, 172015, 309627, 516045, 1548135, 4782017, 14346051, 23910085, 43038153, 71730255, 215190765]

約数ペア:

[(1, 215190765), (3, 71730255), (5, 43038153), (9, 23910085), (15, 14346051), (45, 4782017), (139, 1548135), (417, 516045), (695, 309627), (1251, 172015), (2085, 103209), (6255, 34403)]