2590965

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1$

素因数の和:170

約数の個数: 48

約数和(自身を含む): 4996992

約数和(自身を除く): 2406027

約数列:

[1, 3, 5, 9, 13, 15, 39, 43, 45, 65, 103, 117, 129, 195, 215, 309, 387, 515, 559, 585, 645, 927, 1339, 1545, 1677, 1935, 2795, 4017, 4429, 4635, 5031, 6695, 8385, 12051, 13287, 20085, 22145, 25155, 39861, 57577, 60255, 66435, 172731, 199305, 287885, 518193, 863655, 2590965]

約数ペア:

[(1, 2590965), (3, 863655), (5, 518193), (9, 287885), (13, 199305), (15, 172731), (39, 66435), (43, 60255), (45, 57577), (65, 39861), (103, 25155), (117, 22145), (129, 20085), (195, 13287), (215, 12051), (309, 8385), (387, 6695), (515, 5031), (559, 4635), (585, 4429), (645, 4017), (927, 2795), (1339, 1935), (1545, 1677)]