2720221779

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{997}}^1\times {\mathrm{2851}}^1$

素因数の和:3891

約数の個数: 32

約数和(自身を含む): 4098666240

約数和(自身を除く): 1378444461

約数列:

[1, 3, 11, 29, 33, 87, 319, 957, 997, 2851, 2991, 8553, 10967, 28913, 31361, 32901, 82679, 86739, 94083, 248037, 318043, 909469, 954129, 2728407, 2842447, 8527341, 31266917, 82430963, 93800751, 247292889, 906740593, 2720221779]

約数ペア:

[(1, 2720221779), (3, 906740593), (11, 247292889), (29, 93800751), (33, 82430963), (87, 31266917), (319, 8527341), (957, 2842447), (997, 2728407), (2851, 954129), (2991, 909469), (8553, 318043), (10967, 248037), (28913, 94083), (31361, 86739), (32901, 82679)]