397131405

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{421}}^1\times {\mathrm{5717}}^1$

素因数の和:6157

約数の個数: 32

約数和(自身を含む): 694942848

約数和(自身を除く): 297811443

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 421, 1263, 2105, 4631, 5717, 6315, 13893, 17151, 23155, 28585, 62887, 69465, 85755, 188661, 314435, 943305, 2406857, 7220571, 12034285, 26475427, 36102855, 79426281, 132377135, 397131405]

約数ペア:

[(1, 397131405), (3, 132377135), (5, 79426281), (11, 36102855), (15, 26475427), (33, 12034285), (55, 7220571), (165, 2406857), (421, 943305), (1263, 314435), (2105, 188661), (4631, 85755), (5717, 69465), (6315, 62887), (13893, 28585), (17151, 23155)]