207640839

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{8681}}^1$

素因数の和:8775

約数の個数: 32

約数和(自身を含む): 340056576

約数和(自身を除く): 132415737

約数列:

[1, 3, 7, 17, 21, 51, 67, 119, 201, 357, 469, 1139, 1407, 3417, 7973, 8681, 23919, 26043, 60767, 147577, 182301, 442731, 581627, 1033039, 1744881, 3099117, 4071389, 9887659, 12214167, 29662977, 69213613, 207640839]

約数ペア:

[(1, 207640839), (3, 69213613), (7, 29662977), (17, 12214167), (21, 9887659), (51, 4071389), (67, 3099117), (119, 1744881), (201, 1033039), (357, 581627), (469, 442731), (1139, 182301), (1407, 147577), (3417, 60767), (7973, 26043), (8681, 23919)]