81305838

素因数分解:

$2^1\times 3^2\times {\mathrm{4516991}}^1$

素因数の和:4516999

約数の個数: 12

約数和(自身を含む): 176162688

約数和(自身を除く): 94856850

約数列:

[1, 2, 3, 6, 9, 18, 4516991, 9033982, 13550973, 27101946, 40652919, 81305838]

約数ペア:

[(1, 81305838), (2, 40652919), (3, 27101946), (6, 13550973), (9, 9033982), (18, 4516991)]