2421255

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1$

素因数の和:207

約数の個数: 32

約数和(自身を含む): 4128768

約数和(自身を除く): 1707513

約数列:

[1, 3, 5, 15, 31, 41, 93, 123, 127, 155, 205, 381, 465, 615, 635, 1271, 1905, 3813, 3937, 5207, 6355, 11811, 15621, 19065, 19685, 26035, 59055, 78105, 161417, 484251, 807085, 2421255]

約数ペア:

[(1, 2421255), (3, 807085), (5, 484251), (15, 161417), (31, 78105), (41, 59055), (93, 26035), (123, 19685), (127, 19065), (155, 15621), (205, 11811), (381, 6355), (465, 5207), (615, 3937), (635, 3813), (1271, 1905)]