31780593

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{30181}}^1$

素因数の和:30206

約数の個数: 20

約数和(自身を含む): 51128308

約数和(自身を除く): 19347715

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 30181, 90543, 271629, 392353, 814887, 1177059, 2444661, 3531177, 10593531, 31780593]

約数ペア:

[(1, 31780593), (3, 10593531), (9, 3531177), (13, 2444661), (27, 1177059), (39, 814887), (81, 392353), (117, 271629), (351, 90543), (1053, 30181)]