6402645

素因数分解:

$3^4\times 5^1\times {\mathrm{15809}}^1$

素因数の和:15826

約数の個数: 20

約数和(自身を含む): 11478060

約数和(自身を除く): 5075415

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 15809, 47427, 79045, 142281, 237135, 426843, 711405, 1280529, 2134215, 6402645]

約数ペア:

[(1, 6402645), (3, 2134215), (5, 1280529), (9, 711405), (15, 426843), (27, 237135), (45, 142281), (81, 79045), (135, 47427), (405, 15809)]