421526721

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{42437}}^1$

素因数の和:42501

約数の個数: 32

約数和(自身を含む): 717032448

約数和(自身を除く): 295505727

約数列:

[1, 3, 7, 11, 21, 33, 43, 77, 129, 231, 301, 473, 903, 1419, 3311, 9933, 42437, 127311, 297059, 466807, 891177, 1400421, 1824791, 3267649, 5474373, 9802947, 12773537, 20072701, 38320611, 60218103, 140508907, 421526721]

約数ペア:

[(1, 421526721), (3, 140508907), (7, 60218103), (11, 38320611), (21, 20072701), (33, 12773537), (43, 9802947), (77, 5474373), (129, 3267649), (231, 1824791), (301, 1400421), (473, 891177), (903, 466807), (1419, 297059), (3311, 127311), (9933, 42437)]