217628715

素因数分解:

$3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{373}}^1\times {\mathrm{401}}^1$

素因数の和:879

約数の個数: 32

約数和(自身を含む): 353618496

約数和(自身を除く): 135989781

約数列:

[1, 3, 5, 15, 97, 291, 373, 401, 485, 1119, 1203, 1455, 1865, 2005, 5595, 6015, 36181, 38897, 108543, 116691, 149573, 180905, 194485, 448719, 542715, 583455, 747865, 2243595, 14508581, 43525743, 72542905, 217628715]

約数ペア:

[(1, 217628715), (3, 72542905), (5, 43525743), (15, 14508581), (97, 2243595), (291, 747865), (373, 583455), (401, 542715), (485, 448719), (1119, 194485), (1203, 180905), (1455, 149573), (1865, 116691), (2005, 108543), (5595, 38897), (6015, 36181)]