199943973

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{359}}^1\times {\mathrm{3257}}^1$

素因数の和:3641

約数の個数: 24

約数和(自身を含む): 304948800

約数和(自身を除く): 105004827

約数列:

[1, 3, 9, 19, 57, 171, 359, 1077, 3231, 3257, 6821, 9771, 20463, 29313, 61389, 61883, 185649, 556947, 1169263, 3507789, 10523367, 22215997, 66647991, 199943973]

約数ペア:

[(1, 199943973), (3, 66647991), (9, 22215997), (19, 10523367), (57, 3507789), (171, 1169263), (359, 556947), (1077, 185649), (3231, 61883), (3257, 61389), (6821, 29313), (9771, 20463)]