320440887

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{359}}^1\times {\mathrm{2543}}^1$

素因数の和:2924

約数の個数: 32

約数和(自身を含む): 512870400

約数和(自身を除く): 192429513

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 359, 1077, 2543, 3231, 4667, 7629, 9693, 14001, 22887, 33059, 42003, 68661, 99177, 126009, 297531, 892593, 912937, 2738811, 8216433, 11868181, 24649299, 35604543, 106813629, 320440887]

約数ペア:

[(1, 320440887), (3, 106813629), (9, 35604543), (13, 24649299), (27, 11868181), (39, 8216433), (117, 2738811), (351, 912937), (359, 892593), (1077, 297531), (2543, 126009), (3231, 99177), (4667, 68661), (7629, 42003), (9693, 33059), (14001, 22887)]