198868419

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{320239}}^1$

素因数の和:320271

約数の個数: 16

約数和(自身を含む): 307430400

約数和(自身を除く): 108561981

約数列:

[1, 3, 9, 23, 27, 69, 207, 621, 320239, 960717, 2882151, 7365497, 8646453, 22096491, 66289473, 198868419]

約数ペア:

[(1, 198868419), (3, 66289473), (9, 22096491), (23, 8646453), (27, 7365497), (69, 2882151), (207, 960717), (621, 320239)]