1728021841

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{317}}^1\times {\mathrm{1619}}^1$

素因数の和:1993

約数の個数: 32

約数和(自身を含む): 2192520960

約数和(自身を除く): 464499119

約数列:

[1, 7, 13, 37, 91, 259, 317, 481, 1619, 2219, 3367, 4121, 11333, 11729, 21047, 28847, 59903, 82103, 147329, 152477, 419321, 513223, 778739, 1067339, 3592561, 5451173, 6671899, 18989251, 46703293, 132924757, 246860263, 1728021841]

約数ペア:

[(1, 1728021841), (7, 246860263), (13, 132924757), (37, 46703293), (91, 18989251), (259, 6671899), (317, 5451173), (481, 3592561), (1619, 1067339), (2219, 778739), (3367, 513223), (4121, 419321), (11333, 152477), (11729, 147329), (21047, 82103), (28847, 59903)]