31877769

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{137999}}^1$

素因数の和:138020

約数の個数: 16

約数和(自身を含む): 52992000

約数和(自身を除く): 21114231

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 137999, 413997, 965993, 1517989, 2897979, 4553967, 10625923, 31877769]

約数ペア:

[(1, 31877769), (3, 10625923), (7, 4553967), (11, 2897979), (21, 1517989), (33, 965993), (77, 413997), (231, 137999)]