219904689

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{1289}}^1$

素因数の和:1425

約数の個数: 32

約数和(自身を含む): 320745600

約数和(自身を除く): 100840911

約数列:

[1, 3, 19, 41, 57, 73, 123, 219, 779, 1289, 1387, 2337, 2993, 3867, 4161, 8979, 24491, 52849, 56867, 73473, 94097, 158547, 170601, 282291, 1004131, 1787843, 3012393, 3857977, 5363529, 11573931, 73301563, 219904689]

約数ペア:

[(1, 219904689), (3, 73301563), (19, 11573931), (41, 5363529), (57, 3857977), (73, 3012393), (123, 1787843), (219, 1004131), (779, 282291), (1289, 170601), (1387, 158547), (2337, 94097), (2993, 73473), (3867, 56867), (4161, 52849), (8979, 24491)]