81538218

素因数分解:

$2^1\times 3^3\times {\mathrm{1509967}}^1$

素因数の和:1509978

約数の個数: 16

約数和(自身を含む): 181196160

約数和(自身を除く): 99657942

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 1509967, 3019934, 4529901, 9059802, 13589703, 27179406, 40769109, 81538218]

約数ペア:

[(1, 81538218), (2, 40769109), (3, 27179406), (6, 13589703), (9, 9059802), (18, 4529901), (27, 3019934), (54, 1509967)]