1277999721

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{15413}}^1$

素因数の和:15542

約数の個数: 32

約数和(自身を含む): 1968059520

約数和(自身を除く): 690059799

約数列:

[1, 3, 9, 27, 37, 83, 111, 249, 333, 747, 999, 2241, 3071, 9213, 15413, 27639, 46239, 82917, 138717, 416151, 570281, 1279279, 1710843, 3837837, 5132529, 11513511, 15397587, 34540533, 47333323, 141999969, 425999907, 1277999721]

約数ペア:

[(1, 1277999721), (3, 425999907), (9, 141999969), (27, 47333323), (37, 34540533), (83, 15397587), (111, 11513511), (249, 5132529), (333, 3837837), (747, 1710843), (999, 1279279), (2241, 570281), (3071, 416151), (9213, 138717), (15413, 82917), (27639, 46239)]