166678809

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{251}}^1\times {\mathrm{20123}}^1$

素因数の和:20388

約数の個数: 16

約数和(自身を含む): 243419904

約数和(自身を除く): 76741095

約数列:

[1, 3, 11, 33, 251, 753, 2761, 8283, 20123, 60369, 221353, 664059, 5050873, 15152619, 55559603, 166678809]

約数ペア:

[(1, 166678809), (3, 55559603), (11, 15152619), (33, 5050873), (251, 664059), (753, 221353), (2761, 60369), (8283, 20123)]