15225921

素因数分解:

$3^3\times {\mathrm{139}}^1\times {\mathrm{4057}}^1$

素因数の和:4205

約数の個数: 16

約数和(自身を含む): 22724800

約数和(自身を除く): 7498879

約数列:

[1, 3, 9, 27, 139, 417, 1251, 3753, 4057, 12171, 36513, 109539, 563923, 1691769, 5075307, 15225921]

約数ペア:

[(1, 15225921), (3, 5075307), (9, 1691769), (27, 563923), (139, 109539), (417, 36513), (1251, 12171), (3753, 4057)]