28517709

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{97}}^1\times {\mathrm{151}}^1$

素因数の和:321

約数の個数: 32

約数和(自身を含む): 42900480

約数和(自身を除く): 14382771

約数列:

[1, 3, 11, 33, 59, 97, 151, 177, 291, 453, 649, 1067, 1661, 1947, 3201, 4983, 5723, 8909, 14647, 17169, 26727, 43941, 62953, 97999, 161117, 188859, 293997, 483351, 864173, 2592519, 9505903, 28517709]

約数ペア:

[(1, 28517709), (3, 9505903), (11, 2592519), (33, 864173), (59, 483351), (97, 293997), (151, 188859), (177, 161117), (291, 97999), (453, 62953), (649, 43941), (1067, 26727), (1661, 17169), (1947, 14647), (3201, 8909), (4983, 5723)]