2685123021

素因数分解:

$3^1\times 7^3\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1$

素因数の和:216

約数の個数: 128

約数和(自身を含む): 4700160000

約数和(自身を除く): 2015036979

約数列:

[1, 3, 7, 17, 21, 29, 49, 51, 67, 79, 87, 119, 147, 201, 203, 237, 343, 357, 469, 493, 553, 609, 833, 1029, 1139, 1343, 1407, 1421, 1479, 1659, 1943, 2291, 2499, 3283, 3417, 3451, 3871, 4029, 4263, 5293, 5829, 5831, 6873, 7973, 9401, 9849, 9947, 10353, 11613, 13601, 15879, 16037, 17493, 22981, 23919, 24157, 27097, 28203, 29841, 33031, 37051, 38947, 40803, 48111, 55811, 65807, 68943, 72471, 81291, 89981, 95207, 99093, 111153, 112259, 116841, 153497, 167433, 169099, 197421, 231217, 259357, 269943, 272629, 285621, 336777, 390677, 460491, 460649, 507297, 629867, 666449, 693651, 778071, 785813, 817887, 1074479, 1172031, 1381947, 1618519, 1815499, 1889601, 1908403, 1999347, 2357439, 2609449, 3223437, 4409069, 4855557, 5446497, 5725209, 7521353, 7828347, 11329633, 13227207, 13358821, 18266143, 22564059, 30863483, 33988899, 40076463, 52649471, 54798429, 92590449, 127863001, 157948413, 383589003, 895041007, 2685123021]

約数ペア:

[(1, 2685123021), (3, 895041007), (7, 383589003), (17, 157948413), (21, 127863001), (29, 92590449), (49, 54798429), (51, 52649471), (67, 40076463), (79, 33988899), (87, 30863483), (119, 22564059), (147, 18266143), (201, 13358821), (203, 13227207), (237, 11329633), (343, 7828347), (357, 7521353), (469, 5725209), (493, 5446497), (553, 4855557), (609, 4409069), (833, 3223437), (1029, 2609449), (1139, 2357439), (1343, 1999347), (1407, 1908403), (1421, 1889601), (1479, 1815499), (1659, 1618519), (1943, 1381947), (2291, 1172031), (2499, 1074479), (3283, 817887), (3417, 785813), (3451, 778071), (3871, 693651), (4029, 666449), (4263, 629867), (5293, 507297), (5829, 460649), (5831, 460491), (6873, 390677), (7973, 336777), (9401, 285621), (9849, 272629), (9947, 269943), (10353, 259357), (11613, 231217), (13601, 197421), (15879, 169099), (16037, 167433), (17493, 153497), (22981, 116841), (23919, 112259), (24157, 111153), (27097, 99093), (28203, 95207), (29841, 89981), (33031, 81291), (37051, 72471), (38947, 68943), (40803, 65807), (48111, 55811)]