31289247

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{35117}}^1$

素因数の和:35140

約数の個数: 20

約数和(自身を含む): 50991336

約数和(自身を除く): 19702089

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 297, 891, 35117, 105351, 316053, 386287, 948159, 1158861, 2844477, 3476583, 10429749, 31289247]

約数ペア:

[(1, 31289247), (3, 10429749), (9, 3476583), (11, 2844477), (27, 1158861), (33, 948159), (81, 386287), (99, 316053), (297, 105351), (891, 35117)]