64065879

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{1789}}^1$

素因数の和:1991

約数の個数: 24

約数和(自身を含む): 97175520

約数和(自身を除く): 33109641

約数列:

[1, 3, 9, 23, 69, 173, 207, 519, 1557, 1789, 3979, 5367, 11937, 16101, 35811, 41147, 123441, 309497, 370323, 928491, 2785473, 7118431, 21355293, 64065879]

約数ペア:

[(1, 64065879), (3, 21355293), (9, 7118431), (23, 2785473), (69, 928491), (173, 370323), (207, 309497), (519, 123441), (1557, 41147), (1789, 35811), (3979, 16101), (5367, 11937)]