1978074321

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{731807}}^1$

素因数の和:731880

約数の個数: 16

約数和(自身を含む): 2845269504

約数和(自身を除く): 867195183

約数列:

[1, 3, 17, 51, 53, 159, 901, 2703, 731807, 2195421, 12440719, 37322157, 38785771, 116357313, 659358107, 1978074321]

約数ペア:

[(1, 1978074321), (3, 659358107), (17, 116357313), (51, 38785771), (53, 37322157), (159, 12440719), (901, 2195421), (2703, 731807)]