161287983

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{259723}}^1$

素因数の和:259755

約数の個数: 16

約数和(自身を含む): 249335040

約数和(自身を除く): 88047057

約数列:

[1, 3, 9, 23, 27, 69, 207, 621, 259723, 779169, 2337507, 5973629, 7012521, 17920887, 53762661, 161287983]

約数ペア:

[(1, 161287983), (3, 53762661), (9, 17920887), (23, 7012521), (27, 5973629), (69, 2337507), (207, 779169), (621, 259723)]