207820005

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{331}}^1\times {\mathrm{2203}}^1$

素因数の和:2561

約数の個数: 32

約数和(自身を含む): 351229440

約数和(自身を除く): 143409435

約数列:

[1, 3, 5, 15, 19, 57, 95, 285, 331, 993, 1655, 2203, 4965, 6289, 6609, 11015, 18867, 31445, 33045, 41857, 94335, 125571, 209285, 627855, 729193, 2187579, 3645965, 10937895, 13854667, 41564001, 69273335, 207820005]

約数ペア:

[(1, 207820005), (3, 69273335), (5, 41564001), (15, 13854667), (19, 10937895), (57, 3645965), (95, 2187579), (285, 729193), (331, 627855), (993, 209285), (1655, 125571), (2203, 94335), (4965, 41857), (6289, 33045), (6609, 31445), (11015, 18867)]