2606985

素因数分解:

$3^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1$

素因数の和:215

約数の個数: 40

約数和(自身を含む): 4817736

約数和(自身を除く): 2210751

約数列:

[1, 3, 5, 9, 15, 27, 41, 45, 81, 123, 135, 157, 205, 369, 405, 471, 615, 785, 1107, 1413, 1845, 2355, 3321, 4239, 5535, 6437, 7065, 12717, 16605, 19311, 21195, 32185, 57933, 63585, 96555, 173799, 289665, 521397, 868995, 2606985]

約数ペア:

[(1, 2606985), (3, 868995), (5, 521397), (9, 289665), (15, 173799), (27, 96555), (41, 63585), (45, 57933), (81, 32185), (123, 21195), (135, 19311), (157, 16605), (205, 12717), (369, 7065), (405, 6437), (471, 5535), (615, 4239), (785, 3321), (1107, 2355), (1413, 1845)]