81301209

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{1021}}^1$

素因数の和:1181

約数の個数: 32

約数和(自身を含む): 125583360

約数和(自身を除く): 44282151

約数列:

[1, 3, 11, 19, 33, 57, 127, 209, 381, 627, 1021, 1397, 2413, 3063, 4191, 7239, 11231, 19399, 26543, 33693, 58197, 79629, 129667, 213389, 389001, 640167, 1426337, 2463673, 4279011, 7391019, 27100403, 81301209]

約数ペア:

[(1, 81301209), (3, 27100403), (11, 7391019), (19, 4279011), (33, 2463673), (57, 1426337), (127, 640167), (209, 389001), (381, 213389), (627, 129667), (1021, 79629), (1397, 58197), (2413, 33693), (3063, 26543), (4191, 19399), (7239, 11231)]