213370773

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{21481}}^1$

素因数の和:21545

約数の個数: 32

約数和(自身を含む): 362959872

約数和(自身を除く): 149589099

約数列:

[1, 3, 7, 11, 21, 33, 43, 77, 129, 231, 301, 473, 903, 1419, 3311, 9933, 21481, 64443, 150367, 236291, 451101, 708873, 923683, 1654037, 2771049, 4962111, 6465781, 10160513, 19397343, 30481539, 71123591, 213370773]

約数ペア:

[(1, 213370773), (3, 71123591), (7, 30481539), (11, 19397343), (21, 10160513), (33, 6465781), (43, 4962111), (77, 2771049), (129, 1654037), (231, 923683), (301, 708873), (473, 451101), (903, 236291), (1419, 150367), (3311, 64443), (9933, 21481)]