27861813

素因数分解:

$3^4\times 7^1\times {\mathrm{49139}}^1$

素因数の和:49158

約数の個数: 20

約数和(自身を含む): 47567520

約数和(自身を除く): 19705707

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 49139, 147417, 343973, 442251, 1031919, 1326753, 3095757, 3980259, 9287271, 27861813]

約数ペア:

[(1, 27861813), (3, 9287271), (7, 3980259), (9, 3095757), (21, 1326753), (27, 1031919), (63, 442251), (81, 343973), (189, 147417), (567, 49139)]