81201141

素因数分解:

$3^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{293}}^1$

素因数の和:442

約数の個数: 48

約数和(自身を含む): 138692736

約数和(自身を除く): 57491595

約数列:

[1, 3, 7, 9, 21, 53, 63, 83, 159, 249, 293, 371, 477, 581, 747, 879, 1113, 1743, 2051, 2637, 3339, 4399, 5229, 6153, 13197, 15529, 18459, 24319, 30793, 39591, 46587, 72957, 92379, 108703, 139761, 170233, 218871, 277137, 326109, 510699, 978327, 1288907, 1532097, 3866721, 9022349, 11600163, 27067047, 81201141]

約数ペア:

[(1, 81201141), (3, 27067047), (7, 11600163), (9, 9022349), (21, 3866721), (53, 1532097), (63, 1288907), (83, 978327), (159, 510699), (249, 326109), (293, 277137), (371, 218871), (477, 170233), (581, 139761), (747, 108703), (879, 92379), (1113, 72957), (1743, 46587), (2051, 39591), (2637, 30793), (3339, 24319), (4399, 18459), (5229, 15529), (6153, 13197)]