321120159

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{313}}^1\times {\mathrm{439}}^1$

素因数の和:815

約数の個数: 32

約数和(自身を含む): 464217600

約数和(自身を除く): 143097441

約数列:

[1, 3, 19, 41, 57, 123, 313, 439, 779, 939, 1317, 2337, 5947, 8341, 12833, 17841, 17999, 25023, 38499, 53997, 137407, 243827, 341981, 412221, 731481, 1025943, 2610733, 5633687, 7832199, 16901061, 107040053, 321120159]

約数ペア:

[(1, 321120159), (3, 107040053), (19, 16901061), (41, 7832199), (57, 5633687), (123, 2610733), (313, 1025943), (439, 731481), (779, 412221), (939, 341981), (1317, 243827), (2337, 137407), (5947, 53997), (8341, 38499), (12833, 25023), (17841, 17999)]