213747777

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{43103}}^1$

素因数の和:43157

約数の個数: 24

約数和(自身を含む): 336211200

約数和(自身を除く): 122463423

約数列:

[1, 3, 9, 19, 29, 57, 87, 171, 261, 551, 1653, 4959, 43103, 129309, 387927, 818957, 1249987, 2456871, 3749961, 7370613, 11249883, 23749753, 71249259, 213747777]

約数ペア:

[(1, 213747777), (3, 71249259), (9, 23749753), (19, 11249883), (29, 7370613), (57, 3749961), (87, 2456871), (171, 1249987), (261, 818957), (551, 387927), (1653, 129309), (4959, 43103)]