54879009

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{257}}^1$

素因数の和:409

約数の個数: 32

約数和(自身を含む): 80248320

約数和(自身を除く): 25369311

約数列:

[1, 3, 17, 51, 53, 79, 159, 237, 257, 771, 901, 1343, 2703, 4029, 4187, 4369, 12561, 13107, 13621, 20303, 40863, 60909, 71179, 213537, 231557, 345151, 694671, 1035453, 1076059, 3228177, 18293003, 54879009]

約数ペア:

[(1, 54879009), (3, 18293003), (17, 3228177), (51, 1076059), (53, 1035453), (79, 694671), (159, 345151), (237, 231557), (257, 213537), (771, 71179), (901, 60909), (1343, 40863), (2703, 20303), (4029, 13621), (4187, 13107), (4369, 12561)]