128468529

素因数分解:

$3^2\times 7^1\times {\mathrm{1427}}^1\times {\mathrm{1429}}^1$

素因数の和:2869

約数の個数: 24

約数和(自身を含む): 212372160

約数和(自身を除く): 83903631

約数列:

[1, 3, 7, 9, 21, 63, 1427, 1429, 4281, 4287, 9989, 10003, 12843, 12861, 29967, 30009, 89901, 90027, 2039183, 6117549, 14274281, 18352647, 42822843, 128468529]

約数ペア:

[(1, 128468529), (3, 42822843), (7, 18352647), (9, 14274281), (21, 6117549), (63, 2039183), (1427, 90027), (1429, 89901), (4281, 30009), (4287, 29967), (9989, 12861), (10003, 12843)]