666872655

素因数分解:

$3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{227}}^1\times {\mathrm{1409}}^1$

素因数の和:1783

約数の個数: 32

約数和(自身を含む): 1080172800

約数和(自身を除く): 413300145

約数列:

[1, 3, 5, 15, 139, 227, 417, 681, 695, 1135, 1409, 2085, 3405, 4227, 7045, 21135, 31553, 94659, 157765, 195851, 319843, 473295, 587553, 959529, 979255, 1599215, 2937765, 4797645, 44458177, 133374531, 222290885, 666872655]

約数ペア:

[(1, 666872655), (3, 222290885), (5, 133374531), (15, 44458177), (139, 4797645), (227, 2937765), (417, 1599215), (681, 979255), (695, 959529), (1135, 587553), (1409, 473295), (2085, 319843), (3405, 195851), (4227, 157765), (7045, 94659), (21135, 31553)]