217900593

素因数分解:

$3^2\times {\mathrm{173}}^1\times {\mathrm{349}}^1\times {\mathrm{401}}^1$

素因数の和:929

約数の個数: 24

約数和(自身を含む): 318263400

約数和(自身を除く): 100362807

約数列:

[1, 3, 9, 173, 349, 401, 519, 1047, 1203, 1557, 3141, 3609, 60377, 69373, 139949, 181131, 208119, 419847, 543393, 624357, 1259541, 24211177, 72633531, 217900593]

約数ペア:

[(1, 217900593), (3, 72633531), (9, 24211177), (173, 1259541), (349, 624357), (401, 543393), (519, 419847), (1047, 208119), (1203, 181131), (1557, 139949), (3141, 69373), (3609, 60377)]