211676481

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{151}}^1$

素因数の和:358

約数の個数: 48

約数和(自身を含む): 328648320

約数和(自身を除く): 116971839

約数列:

[1, 3, 9, 29, 41, 87, 123, 131, 151, 261, 369, 393, 453, 1179, 1189, 1359, 3567, 3799, 4379, 5371, 6191, 10701, 11397, 13137, 16113, 18573, 19781, 34191, 39411, 48339, 55719, 59343, 155759, 178029, 179539, 467277, 538617, 573649, 811021, 1401831, 1615851, 1720947, 2433063, 5162841, 7299189, 23519609, 70558827, 211676481]

約数ペア:

[(1, 211676481), (3, 70558827), (9, 23519609), (29, 7299189), (41, 5162841), (87, 2433063), (123, 1720947), (131, 1615851), (151, 1401831), (261, 811021), (369, 573649), (393, 538617), (453, 467277), (1179, 179539), (1189, 178029), (1359, 155759), (3567, 59343), (3799, 55719), (4379, 48339), (5371, 39411), (6191, 34191), (10701, 19781), (11397, 18573), (13137, 16113)]