311915745

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{135911}}^1$

素因数の和:135942

約数の個数: 32

約数和(自身を含む): 587139840

約数和(自身を除く): 275224095

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 85, 135, 153, 255, 459, 765, 2295, 135911, 407733, 679555, 1223199, 2038665, 2310487, 3669597, 6115995, 6931461, 11552435, 18347985, 20794383, 34657305, 62383149, 103971915, 311915745]

約数ペア:

[(1, 311915745), (3, 103971915), (5, 62383149), (9, 34657305), (15, 20794383), (17, 18347985), (27, 11552435), (45, 6931461), (51, 6115995), (85, 3669597), (135, 2310487), (153, 2038665), (255, 1223199), (459, 679555), (765, 407733), (2295, 135911)]