2220765

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1$

素因数の和:229

約数の個数: 32

約数和(自身を含む): 3822336

約数和(自身を除く): 1601571

約数列:

[1, 3, 5, 15, 23, 41, 69, 115, 123, 157, 205, 345, 471, 615, 785, 943, 2355, 2829, 3611, 4715, 6437, 10833, 14145, 18055, 19311, 32185, 54165, 96555, 148051, 444153, 740255, 2220765]

約数ペア:

[(1, 2220765), (3, 740255), (5, 444153), (15, 148051), (23, 96555), (41, 54165), (69, 32185), (115, 19311), (123, 18055), (157, 14145), (205, 10833), (345, 6437), (471, 4715), (615, 3611), (785, 2829), (943, 2355)]