17621937

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{631}}^1$

素因数の和:773

約数の個数: 24

約数和(自身を含む): 26619840

約数和(自身を除く): 8997903

約数列:

[1, 3, 9, 29, 87, 107, 261, 321, 631, 963, 1893, 3103, 5679, 9309, 18299, 27927, 54897, 67517, 164691, 202551, 607653, 1957993, 5873979, 17621937]

約数ペア:

[(1, 17621937), (3, 5873979), (9, 1957993), (29, 607653), (87, 202551), (107, 164691), (261, 67517), (321, 54897), (631, 27927), (963, 18299), (1893, 9309), (3103, 5679)]