1330798815

素因数分解:

$3^4\times 5^1\times {\mathrm{3285923}}^1$

素因数の和:3285940

約数の個数: 20

約数和(自身を含む): 2385580824

約数和(自身を除く): 1054782009

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 3285923, 9857769, 16429615, 29573307, 49288845, 88719921, 147866535, 266159763, 443599605, 1330798815]

約数ペア:

[(1, 1330798815), (3, 443599605), (5, 266159763), (9, 147866535), (15, 88719921), (27, 49288845), (45, 29573307), (81, 16429615), (135, 9857769), (405, 3285923)]