210339909

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{199753}}^1$

素因数の和:199778

約数の個数: 20

約数和(自身を含む): 338383276

約数和(自身を除く): 128043367

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 199753, 599259, 1797777, 2596789, 5393331, 7790367, 16179993, 23371101, 70113303, 210339909]

約数ペア:

[(1, 210339909), (3, 70113303), (9, 23371101), (13, 16179993), (27, 7790367), (39, 5393331), (81, 2596789), (117, 1797777), (351, 599259), (1053, 199753)]