211702977

素因数分解:

$3^4\times {\mathrm{139}}^1\times {\mathrm{18803}}^1$

素因数の和:18954

約数の個数: 20

約数和(自身を含む): 318539760

約数和(自身を除く): 106836783

約数列:

[1, 3, 9, 27, 81, 139, 417, 1251, 3753, 11259, 18803, 56409, 169227, 507681, 1523043, 2613617, 7840851, 23522553, 70567659, 211702977]

約数ペア:

[(1, 211702977), (3, 70567659), (9, 23522553), (27, 7840851), (81, 2613617), (139, 1523043), (417, 507681), (1251, 169227), (3753, 56409), (11259, 18803)]