1280996980929

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{211}}^1\times {\mathrm{751}}^1\times {\mathrm{4217}}^1$

素因数の和:5259

約数の個数: 64

約数和(自身を含む): 1936657244160

約数和(自身を除く): 655660263231

約数列:

[1, 3, 9, 27, 71, 211, 213, 633, 639, 751, 1899, 1917, 2253, 4217, 5697, 6759, 12651, 14981, 20277, 37953, 44943, 53321, 113859, 134829, 158461, 159963, 299407, 404487, 475383, 479889, 889787, 898221, 1426149, 1439667, 2669361, 2694663, 3166967, 4278447, 8008083, 8083989, 9500901, 11250731, 24024249, 28502703, 33752193, 63174877, 85508109, 101256579, 189524631, 224854657, 303769737, 568573893, 668230037, 674563971, 1705721679, 2004690111, 2023691913, 6014070333, 6071075739, 18042210999, 47444332627, 142332997881, 426998993643, 1280996980929]

約数ペア:

[(1, 1280996980929), (3, 426998993643), (9, 142332997881), (27, 47444332627), (71, 18042210999), (211, 6071075739), (213, 6014070333), (633, 2023691913), (639, 2004690111), (751, 1705721679), (1899, 674563971), (1917, 668230037), (2253, 568573893), (4217, 303769737), (5697, 224854657), (6759, 189524631), (12651, 101256579), (14981, 85508109), (20277, 63174877), (37953, 33752193), (44943, 28502703), (53321, 24024249), (113859, 11250731), (134829, 9500901), (158461, 8083989), (159963, 8008083), (299407, 4278447), (404487, 3166967), (475383, 2694663), (479889, 2669361), (889787, 1439667), (898221, 1426149)]