18261561

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{2657}}^1$

素因数の和:2768

約数の個数: 16

約数和(自身を含む): 25516800

約数和(自身を除く): 7255239

約数列:

[1, 3, 29, 79, 87, 237, 2291, 2657, 6873, 7971, 77053, 209903, 231159, 629709, 6087187, 18261561]

約数ペア:

[(1, 18261561), (3, 6087187), (29, 629709), (79, 231159), (87, 209903), (237, 77053), (2291, 7971), (2657, 6873)]