8721756

素因数分解:

$2^2\times 3^7\times {\mathrm{997}}^1$

素因数の和:1022

約数の個数: 48

約数和(自身を含む): 22914080

約数和(自身を除く): 14192324

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 243, 324, 486, 729, 972, 997, 1458, 1994, 2187, 2916, 2991, 3988, 4374, 5982, 8748, 8973, 11964, 17946, 26919, 35892, 53838, 80757, 107676, 161514, 242271, 323028, 484542, 726813, 969084, 1453626, 2180439, 2907252, 4360878, 8721756]

約数ペア:

[(1, 8721756), (2, 4360878), (3, 2907252), (4, 2180439), (6, 1453626), (9, 969084), (12, 726813), (18, 484542), (27, 323028), (36, 242271), (54, 161514), (81, 107676), (108, 80757), (162, 53838), (243, 35892), (324, 26919), (486, 17946), (729, 11964), (972, 8973), (997, 8748), (1458, 5982), (1994, 4374), (2187, 3988), (2916, 2991)]