39947967

素因数分解:

$3^2\times {\mathrm{137}}^1\times {\mathrm{179}}^1\times {\mathrm{181}}^1$

素因数の和:503

約数の個数: 24

約数和(自身を含む): 58771440

約数和(自身を除く): 18823473

約数列:

[1, 3, 9, 137, 179, 181, 411, 537, 543, 1233, 1611, 1629, 24523, 24797, 32399, 73569, 74391, 97197, 220707, 223173, 291591, 4438663, 13315989, 39947967]

約数ペア:

[(1, 39947967), (3, 13315989), (9, 4438663), (137, 291591), (179, 223173), (181, 220707), (411, 97197), (537, 74391), (543, 73569), (1233, 32399), (1611, 24797), (1629, 24523)]