9990321

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{3121}}^1$

素因数の和:3232

約数の個数: 16

約数和(自身を含む): 14685888

約数和(自身を除く): 4695567

約数列:

[1, 3, 11, 33, 97, 291, 1067, 3121, 3201, 9363, 34331, 102993, 302737, 908211, 3330107, 9990321]

約数ペア:

[(1, 9990321), (3, 3330107), (11, 908211), (33, 302737), (97, 102993), (291, 34331), (1067, 9363), (3121, 3201)]