15375379905

素因数分解:

$3^4\times 5^1\times {\mathrm{37963901}}^1$

素因数の和:37963918

約数の個数: 20

約数和(自身を含む): 27561792852

約数和(自身を除く): 12186412947

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 37963901, 113891703, 189819505, 341675109, 569458515, 1025025327, 1708375545, 3075075981, 5125126635, 15375379905]

約数ペア:

[(1, 15375379905), (3, 5125126635), (5, 3075075981), (9, 1708375545), (15, 1025025327), (27, 569458515), (45, 341675109), (81, 189819505), (135, 113891703), (405, 37963901)]