42787845

素因数分解:

$3^4\times 5^1\times {\mathrm{105649}}^1$

素因数の和:105666

約数の個数: 20

約数和(自身を含む): 76701900

約数和(自身を除く): 33914055

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 105649, 316947, 528245, 950841, 1584735, 2852523, 4754205, 8557569, 14262615, 42787845]

約数ペア:

[(1, 42787845), (3, 14262615), (5, 8557569), (9, 4754205), (15, 2852523), (27, 1584735), (45, 950841), (81, 528245), (135, 316947), (405, 105649)]