2208915

素因数分解:

$3^2\times 5^1\times {\mathrm{191}}^1\times {\mathrm{257}}^1$

素因数の和:459

約数の個数: 24

約数和(自身を含む): 3863808

約数和(自身を除く): 1654893

約数列:

[1, 3, 5, 9, 15, 45, 191, 257, 573, 771, 955, 1285, 1719, 2313, 2865, 3855, 8595, 11565, 49087, 147261, 245435, 441783, 736305, 2208915]

約数ペア:

[(1, 2208915), (3, 736305), (5, 441783), (9, 245435), (15, 147261), (45, 49087), (191, 11565), (257, 8595), (573, 3855), (771, 2865), (955, 2313), (1285, 1719)]