2256255

素因数分解:

$3^6\times 5^1\times {\mathrm{619}}^1$

素因数の和:642

約数の個数: 28

約数和(自身を含む): 4065960

約数和(自身を除く): 1809705

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 619, 729, 1215, 1857, 3095, 3645, 5571, 9285, 16713, 27855, 50139, 83565, 150417, 250695, 451251, 752085, 2256255]

約数ペア:

[(1, 2256255), (3, 752085), (5, 451251), (9, 250695), (15, 150417), (27, 83565), (45, 50139), (81, 27855), (135, 16713), (243, 9285), (405, 5571), (619, 3645), (729, 3095), (1215, 1857)]