15663942009

素因数分解:

$3^2\times {\mathrm{31981}}^1\times {\mathrm{54421}}^1$

素因数の和:86408

約数の個数: 12

約数和(自身を含む): 22626817252

約数和(自身を除く): 6962875243

約数列:

[1, 3, 9, 31981, 54421, 95943, 163263, 287829, 489789, 1740438001, 5221314003, 15663942009]

約数ペア:

[(1, 15663942009), (3, 5221314003), (9, 1740438001), (31981, 489789), (54421, 287829), (95943, 163263)]