890283723

素因数分解:

$3^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{293}}^1\times {\mathrm{563}}^1$

素因数の和:1123

約数の個数: 32

約数和(自身を含む): 1368976896

約数和(自身を除く): 478693173

約数列:

[1, 3, 7, 21, 257, 293, 563, 771, 879, 1689, 1799, 2051, 3941, 5397, 6153, 11823, 75301, 144691, 164959, 225903, 434073, 494877, 527107, 1012837, 1154713, 1581321, 3038511, 3464139, 42394463, 127183389, 296761241, 890283723]

約数ペア:

[(1, 890283723), (3, 296761241), (7, 127183389), (21, 42394463), (257, 3464139), (293, 3038511), (563, 1581321), (771, 1154713), (879, 1012837), (1689, 527107), (1799, 494877), (2051, 434073), (3941, 225903), (5397, 164959), (6153, 144691), (11823, 75301)]