800920281

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{173}}^1\times {\mathrm{283}}^1$

素因数の和:526

約数の個数: 64

約数和(自身を含む): 1328302080

約数和(自身を除く): 527381799

約数列:

[1, 3, 7, 19, 21, 41, 57, 123, 133, 173, 283, 287, 399, 519, 779, 849, 861, 1211, 1981, 2337, 3287, 3633, 5377, 5453, 5943, 7093, 9861, 11603, 16131, 16359, 21279, 23009, 34809, 37639, 48959, 49651, 69027, 81221, 112917, 134767, 146877, 148953, 220457, 243663, 342713, 404301, 661371, 930221, 943369, 1028139, 1543199, 2007319, 2790663, 2830107, 4629597, 6021957, 6511547, 14051233, 19534641, 38139061, 42153699, 114417183, 266973427, 800920281]

約数ペア:

[(1, 800920281), (3, 266973427), (7, 114417183), (19, 42153699), (21, 38139061), (41, 19534641), (57, 14051233), (123, 6511547), (133, 6021957), (173, 4629597), (283, 2830107), (287, 2790663), (399, 2007319), (519, 1543199), (779, 1028139), (849, 943369), (861, 930221), (1211, 661371), (1981, 404301), (2337, 342713), (3287, 243663), (3633, 220457), (5377, 148953), (5453, 146877), (5943, 134767), (7093, 112917), (9861, 81221), (11603, 69027), (16131, 49651), (16359, 48959), (21279, 37639), (23009, 34809)]