2190015

素因数分解:

$3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1187}}^1$

素因数の和:1239

約数の個数: 24

約数和(自身を含む): 3891888

約数和(自身を除く): 1701873

約数列:

[1, 3, 5, 9, 15, 41, 45, 123, 205, 369, 615, 1187, 1845, 3561, 5935, 10683, 17805, 48667, 53415, 146001, 243335, 438003, 730005, 2190015]

約数ペア:

[(1, 2190015), (3, 730005), (5, 438003), (9, 243335), (15, 146001), (41, 53415), (45, 48667), (123, 17805), (205, 10683), (369, 5935), (615, 3561), (1187, 1845)]