206821727

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{21773}}^1$

素因数の和:21862

約数の個数: 16

約数和(自身を含む): 250836480

約数和(自身を除く): 44014753

約数列:

[1, 7, 23, 59, 161, 413, 1357, 9499, 21773, 152411, 500779, 1284607, 3505453, 8992249, 29545961, 206821727]

約数ペア:

[(1, 206821727), (7, 29545961), (23, 8992249), (59, 3505453), (161, 1284607), (413, 500779), (1357, 152411), (9499, 21773)]