1215315

素因数分解:

$3^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{239}}^1$

素因数の和:363

約数の個数: 24

約数和(自身を含む): 2134080

約数和(自身を除く): 918765

約数列:

[1, 3, 5, 9, 15, 45, 113, 239, 339, 565, 717, 1017, 1195, 1695, 2151, 3585, 5085, 10755, 27007, 81021, 135035, 243063, 405105, 1215315]

約数ペア:

[(1, 1215315), (3, 405105), (5, 243063), (9, 135035), (15, 81021), (45, 27007), (113, 10755), (239, 5085), (339, 3585), (565, 2151), (717, 1695), (1017, 1195)]