78805209

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{129401}}^1$

素因数の和:129440

約数の個数: 16

約数和(自身を含む): 124225920

約数和(自身を除く): 45420711

約数列:

[1, 3, 7, 21, 29, 87, 203, 609, 129401, 388203, 905807, 2717421, 3752629, 11257887, 26268403, 78805209]

約数ペア:

[(1, 78805209), (3, 26268403), (7, 11257887), (21, 3752629), (29, 2717421), (87, 905807), (203, 388203), (609, 129401)]