18231231

素因数分解:

$3^1\times {\mathrm{109}}^1\times {\mathrm{127}}^1\times {\mathrm{439}}^1$

素因数の和:678

約数の個数: 16

約数和(自身を含む): 24780800

約数和(自身を除く): 6549569

約数列:

[1, 3, 109, 127, 327, 381, 439, 1317, 13843, 41529, 47851, 55753, 143553, 167259, 6077077, 18231231]

約数ペア:

[(1, 18231231), (3, 6077077), (109, 167259), (127, 143553), (327, 55753), (381, 47851), (439, 41529), (1317, 13843)]