155381331

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{238681}}^1$

素因数の和:238722

約数の個数: 16

約数和(自身を含む): 244410368

約数和(自身を除く): 89029037

約数列:

[1, 3, 7, 21, 31, 93, 217, 651, 238681, 716043, 1670767, 5012301, 7399111, 22197333, 51793777, 155381331]

約数ペア:

[(1, 155381331), (3, 51793777), (7, 22197333), (21, 7399111), (31, 5012301), (93, 1670767), (217, 716043), (651, 238681)]