890676189

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{2447}}^1$

素因数の和:2547

約数の個数: 64

約数和(自身を含む): 1529902080

約数和(自身を除く): 639225891

約数列:

[1, 3, 9, 13, 17, 27, 39, 51, 61, 117, 153, 183, 221, 351, 459, 549, 663, 793, 1037, 1647, 1989, 2379, 2447, 3111, 5967, 7137, 7341, 9333, 13481, 21411, 22023, 27999, 31811, 40443, 41599, 66069, 95433, 121329, 124797, 149267, 286299, 363987, 374391, 447801, 540787, 858897, 1123173, 1343403, 1622361, 1940471, 2537539, 4030209, 4867083, 5821413, 7612617, 14601249, 17464239, 22837851, 32988007, 52392717, 68513553, 98964021, 296892063, 890676189]

約数ペア:

[(1, 890676189), (3, 296892063), (9, 98964021), (13, 68513553), (17, 52392717), (27, 32988007), (39, 22837851), (51, 17464239), (61, 14601249), (117, 7612617), (153, 5821413), (183, 4867083), (221, 4030209), (351, 2537539), (459, 1940471), (549, 1622361), (663, 1343403), (793, 1123173), (1037, 858897), (1647, 540787), (1989, 447801), (2379, 374391), (2447, 363987), (3111, 286299), (5967, 149267), (7137, 124797), (7341, 121329), (9333, 95433), (13481, 66069), (21411, 41599), (22023, 40443), (27999, 31811)]