208031421

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{172069}}^1$

素因数の和:172116

約数の個数: 16

約数和(自身を含む): 308349440

約数和(自身を除く): 100318019

約数列:

[1, 3, 13, 31, 39, 93, 403, 1209, 172069, 516207, 2236897, 5334139, 6710691, 16002417, 69343807, 208031421]

約数ペア:

[(1, 208031421), (3, 69343807), (13, 16002417), (31, 6710691), (39, 5334139), (93, 2236897), (403, 516207), (1209, 172069)]