71781411

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{1327}}^1$

素因数の和:1435

約数の個数: 32

約数和(自身を含む): 110064640

約数和(自身を除く): 38283229

約数列:

[1, 3, 13, 19, 39, 57, 73, 219, 247, 741, 949, 1327, 1387, 2847, 3981, 4161, 17251, 18031, 25213, 51753, 54093, 75639, 96871, 290613, 327769, 983307, 1259323, 1840549, 3777969, 5521647, 23927137, 71781411]

約数ペア:

[(1, 71781411), (3, 23927137), (13, 5521647), (19, 3777969), (39, 1840549), (57, 1259323), (73, 983307), (219, 327769), (247, 290613), (741, 96871), (949, 75639), (1327, 54093), (1387, 51753), (2847, 25213), (3981, 18031), (4161, 17251)]