201945471

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{38933}}^1$

素因数の和:38975

約数の個数: 32

約数和(自身を含む): 348848640

約数和(自身を除く): 146903169

約数列:

[1, 3, 7, 13, 19, 21, 39, 57, 91, 133, 247, 273, 399, 741, 1729, 5187, 38933, 116799, 272531, 506129, 739727, 817593, 1518387, 2219181, 3542903, 5178089, 9616451, 10628709, 15534267, 28849353, 67315157, 201945471]

約数ペア:

[(1, 201945471), (3, 67315157), (7, 28849353), (13, 15534267), (19, 10628709), (21, 9616451), (39, 5178089), (57, 3542903), (91, 2219181), (133, 1518387), (247, 817593), (273, 739727), (399, 506129), (741, 272531), (1729, 116799), (5187, 38933)]