31782387

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{2477}}^1$

素因数の和:2547

約数の個数: 32

約数和(自身を含む): 53286912

約数和(自身を除く): 21504525

約数列:

[1, 3, 7, 13, 21, 39, 47, 91, 141, 273, 329, 611, 987, 1833, 2477, 4277, 7431, 12831, 17339, 32201, 52017, 96603, 116419, 225407, 349257, 676221, 814933, 1513447, 2444799, 4540341, 10594129, 31782387]

約数ペア:

[(1, 31782387), (3, 10594129), (7, 4540341), (13, 2444799), (21, 1513447), (39, 814933), (47, 676221), (91, 349257), (141, 225407), (273, 116419), (329, 96603), (611, 52017), (987, 32201), (1833, 17339), (2477, 12831), (4277, 7431)]