31209723

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{229}}^1\times {\mathrm{797}}^1$

素因数の和:1051

約数の個数: 24

約数和(自身を含む): 47720400

約数和(自身を除く): 16510677

約数列:

[1, 3, 9, 19, 57, 171, 229, 687, 797, 2061, 2391, 4351, 7173, 13053, 15143, 39159, 45429, 136287, 182513, 547539, 1642617, 3467747, 10403241, 31209723]

約数ペア:

[(1, 31209723), (3, 10403241), (9, 3467747), (19, 1642617), (57, 547539), (171, 182513), (229, 136287), (687, 45429), (797, 39159), (2061, 15143), (2391, 13053), (4351, 7173)]