2666331

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1$

素因数の和:220

約数の個数: 32

約数和(自身を含む): 4322880

約数和(自身を除く): 1656549

約数列:

[1, 3, 9, 17, 27, 37, 51, 111, 153, 157, 333, 459, 471, 629, 999, 1413, 1887, 2669, 4239, 5661, 5809, 8007, 16983, 17427, 24021, 52281, 72063, 98753, 156843, 296259, 888777, 2666331]

約数ペア:

[(1, 2666331), (3, 888777), (9, 296259), (17, 156843), (27, 98753), (37, 72063), (51, 52281), (111, 24021), (153, 17427), (157, 16983), (333, 8007), (459, 5809), (471, 5661), (629, 4239), (999, 2669), (1413, 1887)]