30440641

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{20807}}^1$

素因数の和:20844

約数の個数: 16

約数和(自身を含む): 39951360

約数和(自身を除く): 9510719

約数列:

[1, 7, 11, 19, 77, 133, 209, 1463, 20807, 145649, 228877, 395333, 1602139, 2767331, 4348663, 30440641]

約数ペア:

[(1, 30440641), (7, 4348663), (11, 2767331), (19, 1602139), (77, 395333), (133, 228877), (209, 145649), (1463, 20807)]