7071405

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{2521}}^1$

素因数の和:2557

約数の個数: 32

約数和(自身を含む): 13074048

約数和(自身を除く): 6002643

約数列:

[1, 3, 5, 11, 15, 17, 33, 51, 55, 85, 165, 187, 255, 561, 935, 2521, 2805, 7563, 12605, 27731, 37815, 42857, 83193, 128571, 138655, 214285, 415965, 471427, 642855, 1414281, 2357135, 7071405]

約数ペア:

[(1, 7071405), (3, 2357135), (5, 1414281), (11, 642855), (15, 471427), (17, 415965), (33, 214285), (51, 138655), (55, 128571), (85, 83193), (165, 42857), (187, 37815), (255, 27731), (561, 12605), (935, 7563), (2521, 2805)]