1520786907

素因数分解:

$3^4\times {\mathrm{139}}^1\times {\mathrm{293}}^1\times {\mathrm{461}}^1$

素因数の和:905

約数の個数: 40

約数和(自身を含む): 2300926320

約数和(自身を除く): 780139413

約数列:

[1, 3, 9, 27, 81, 139, 293, 417, 461, 879, 1251, 1383, 2637, 3753, 4149, 7911, 11259, 12447, 23733, 37341, 40727, 64079, 122181, 135073, 192237, 366543, 405219, 576711, 1099629, 1215657, 1730133, 3298887, 3646971, 5190399, 10940913, 18775147, 56325441, 168976323, 506928969, 1520786907]

約数ペア:

[(1, 1520786907), (3, 506928969), (9, 168976323), (27, 56325441), (81, 18775147), (139, 10940913), (293, 5190399), (417, 3646971), (461, 3298887), (879, 1730133), (1251, 1215657), (1383, 1099629), (2637, 576711), (3753, 405219), (4149, 366543), (7911, 192237), (11259, 135073), (12447, 122181), (23733, 64079), (37341, 40727)]