388642221

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{661}}^1\times {\mathrm{5939}}^1$

素因数の和:6617

約数の個数: 24

約数和(自身を含む): 613435680

約数和(自身を除く): 224793459

約数列:

[1, 3, 9, 11, 33, 99, 661, 1983, 5939, 5949, 7271, 17817, 21813, 53451, 65329, 65439, 195987, 587961, 3925679, 11777037, 35331111, 43182469, 129547407, 388642221]

約数ペア:

[(1, 388642221), (3, 129547407), (9, 43182469), (11, 35331111), (33, 11777037), (99, 3925679), (661, 587961), (1983, 195987), (5939, 65439), (5949, 65329), (7271, 53451), (17817, 21813)]