78680019

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{64439}}^1$

素因数の和:64490

約数の個数: 16

約数和(自身を含む): 117538560

約数和(自身を除く): 38858541

約数列:

[1, 3, 11, 33, 37, 111, 407, 1221, 64439, 193317, 708829, 2126487, 2384243, 7152729, 26226673, 78680019]

約数ペア:

[(1, 78680019), (3, 26226673), (11, 7152729), (33, 2384243), (37, 2126487), (111, 708829), (407, 193317), (1221, 64439)]