209215521

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{336901}}^1$

素因数の和:336933

約数の個数: 16

約数和(自身を含む): 323425920

約数和(自身を除く): 114210399

約数列:

[1, 3, 9, 23, 27, 69, 207, 621, 336901, 1010703, 3032109, 7748723, 9096327, 23246169, 69738507, 209215521]

約数ペア:

[(1, 209215521), (3, 69738507), (9, 23246169), (23, 9096327), (27, 7748723), (69, 3032109), (207, 1010703), (621, 336901)]