2090385

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1$

素因数の和:166

約数の個数: 48

約数和(自身を含む): 4088448

約数和(自身を除く): 1998063

約数列:

[1, 3, 5, 9, 11, 15, 33, 41, 45, 55, 99, 103, 123, 165, 205, 309, 369, 451, 495, 515, 615, 927, 1133, 1353, 1545, 1845, 2255, 3399, 4059, 4223, 4635, 5665, 6765, 10197, 12669, 16995, 20295, 21115, 38007, 46453, 50985, 63345, 139359, 190035, 232265, 418077, 696795, 2090385]

約数ペア:

[(1, 2090385), (3, 696795), (5, 418077), (9, 232265), (11, 190035), (15, 139359), (33, 63345), (41, 50985), (45, 46453), (55, 38007), (99, 21115), (103, 20295), (123, 16995), (165, 12669), (205, 10197), (309, 6765), (369, 5665), (451, 4635), (495, 4223), (515, 4059), (615, 3399), (927, 2255), (1133, 1845), (1353, 1545)]