15905241

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{17851}}^1$

素因数の和:17874

約数の個数: 20

約数和(自身を含む): 25921104

約数和(自身を除く): 10015863

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 297, 891, 17851, 53553, 160659, 196361, 481977, 589083, 1445931, 1767249, 5301747, 15905241]

約数ペア:

[(1, 15905241), (3, 5301747), (9, 1767249), (11, 1445931), (27, 589083), (33, 481977), (81, 196361), (99, 160659), (297, 53553), (891, 17851)]