219312981

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{353161}}^1$

素因数の和:353193

約数の個数: 16

約数和(自身を含む): 339035520

約数和(自身を除く): 119722539

約数列:

[1, 3, 9, 23, 27, 69, 207, 621, 353161, 1059483, 3178449, 8122703, 9535347, 24368109, 73104327, 219312981]

約数ペア:

[(1, 219312981), (3, 73104327), (9, 24368109), (23, 9535347), (27, 8122703), (69, 3178449), (207, 1059483), (621, 353161)]