7887369

素因数分解:

$3^1\times 7^1\times {\mathrm{379}}^1\times {\mathrm{991}}^1$

素因数の和:1380

約数の個数: 16

約数和(自身を含む): 12062720

約数和(自身を除く): 4175351

約数列:

[1, 3, 7, 21, 379, 991, 1137, 2653, 2973, 6937, 7959, 20811, 375589, 1126767, 2629123, 7887369]

約数ペア:

[(1, 7887369), (3, 2629123), (7, 1126767), (21, 375589), (379, 20811), (991, 7959), (1137, 6937), (2653, 2973)]