2780491671

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{619}}^1$

素因数の和:797

約数の個数: 64

約数和(自身を含む): 4360435200

約数和(自身を除く): 1579943529

約数列:

[1, 3, 9, 27, 43, 53, 73, 129, 159, 219, 387, 477, 619, 657, 1161, 1431, 1857, 1971, 2279, 3139, 3869, 5571, 6837, 9417, 11607, 16713, 20511, 26617, 28251, 32807, 34821, 45187, 61533, 79851, 84753, 98421, 104463, 135561, 166367, 239553, 295263, 406683, 499101, 718659, 885789, 1220049, 1410701, 1497303, 1943041, 2394911, 4232103, 4491909, 5829123, 7184733, 12696309, 17487369, 21554199, 38088927, 52462107, 64662597, 102981173, 308943519, 926830557, 2780491671]

約数ペア:

[(1, 2780491671), (3, 926830557), (9, 308943519), (27, 102981173), (43, 64662597), (53, 52462107), (73, 38088927), (129, 21554199), (159, 17487369), (219, 12696309), (387, 7184733), (477, 5829123), (619, 4491909), (657, 4232103), (1161, 2394911), (1431, 1943041), (1857, 1497303), (1971, 1410701), (2279, 1220049), (3139, 885789), (3869, 718659), (5571, 499101), (6837, 406683), (9417, 295263), (11607, 239553), (16713, 166367), (20511, 135561), (26617, 104463), (28251, 98421), (32807, 84753), (34821, 79851), (45187, 61533)]