2815965

素因数分解:

$3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{409}}^1$

素因数の和:443

約数の個数: 40

約数和(自身を含む): 5357880

約数和(自身を除く): 2541915

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 81, 85, 135, 153, 255, 405, 409, 459, 765, 1227, 1377, 2045, 2295, 3681, 6135, 6885, 6953, 11043, 18405, 20859, 33129, 34765, 55215, 62577, 104295, 165645, 187731, 312885, 563193, 938655, 2815965]

約数ペア:

[(1, 2815965), (3, 938655), (5, 563193), (9, 312885), (15, 187731), (17, 165645), (27, 104295), (45, 62577), (51, 55215), (81, 34765), (85, 33129), (135, 20859), (153, 18405), (255, 11043), (405, 6953), (409, 6885), (459, 6135), (765, 3681), (1227, 2295), (1377, 2045)]