28521621

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{67427}}^1$

素因数の和:67480

約数の個数: 12

約数和(自身を含む): 42075072

約数和(自身を除く): 13553451

約数列:

[1, 3, 9, 47, 141, 423, 67427, 202281, 606843, 3169069, 9507207, 28521621]

約数ペア:

[(1, 28521621), (3, 9507207), (9, 3169069), (47, 606843), (141, 202281), (423, 67427)]