2791971

素因数分解:

$3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{487}}^1$

素因数の和:520

約数の個数: 36

約数和(自身を含む): 5062512

約数和(自身を除く): 2270541

約数列:

[1, 3, 7, 9, 13, 21, 39, 49, 63, 91, 117, 147, 273, 441, 487, 637, 819, 1461, 1911, 3409, 4383, 5733, 6331, 10227, 18993, 23863, 30681, 44317, 56979, 71589, 132951, 214767, 310219, 398853, 930657, 2791971]

約数ペア:

[(1, 2791971), (3, 930657), (7, 398853), (9, 310219), (13, 214767), (21, 132951), (39, 71589), (49, 56979), (63, 44317), (91, 30681), (117, 23863), (147, 18993), (273, 10227), (441, 6331), (487, 5733), (637, 4383), (819, 3409), (1461, 1911)]