31708989

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{30113}}^1$

素因数の和:30138

約数の個数: 20

約数和(自身を含む): 51013116

約数和(自身を除く): 19304127

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 30113, 90339, 271017, 391469, 813051, 1174407, 2439153, 3523221, 10569663, 31708989]

約数ペア:

[(1, 31708989), (3, 10569663), (9, 3523221), (13, 2439153), (27, 1174407), (39, 813051), (81, 391469), (117, 271017), (351, 90339), (1053, 30113)]