3131271

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{811}}^1$

素因数の和:844

約数の個数: 32

約数和(自身を含む): 5456640

約数和(自身を除く): 2325369

約数列:

[1, 3, 9, 11, 13, 27, 33, 39, 99, 117, 143, 297, 351, 429, 811, 1287, 2433, 3861, 7299, 8921, 10543, 21897, 26763, 31629, 80289, 94887, 115973, 240867, 284661, 347919, 1043757, 3131271]

約数ペア:

[(1, 3131271), (3, 1043757), (9, 347919), (11, 284661), (13, 240867), (27, 115973), (33, 94887), (39, 80289), (99, 31629), (117, 26763), (143, 21897), (297, 10543), (351, 8921), (429, 7299), (811, 3861), (1287, 2433)]