890389005

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{131617}}^1$

素因数の和:131677

約数の個数: 32

約数和(自身を含む): 1592051328

約数和(自身を除く): 701662323

約数列:

[1, 3, 5, 11, 15, 33, 41, 55, 123, 165, 205, 451, 615, 1353, 2255, 6765, 131617, 394851, 658085, 1447787, 1974255, 4343361, 5396297, 7238935, 16188891, 21716805, 26981485, 59359267, 80944455, 178077801, 296796335, 890389005]

約数ペア:

[(1, 890389005), (3, 296796335), (5, 178077801), (11, 80944455), (15, 59359267), (33, 26981485), (41, 21716805), (55, 16188891), (123, 7238935), (165, 5396297), (205, 4343361), (451, 1974255), (615, 1447787), (1353, 658085), (2255, 394851), (6765, 131617)]