263523393

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{1093}}^1$

素因数の和:1238

約数の個数: 48

約数和(自身を含む): 450552960

約数和(自身を除く): 187029567

約数列:

[1, 3, 7, 9, 21, 43, 63, 89, 129, 267, 301, 387, 623, 801, 903, 1093, 1869, 2709, 3279, 3827, 5607, 7651, 9837, 11481, 22953, 26789, 34443, 46999, 68859, 80367, 97277, 140997, 241101, 291831, 328993, 422991, 680939, 875493, 986979, 2042817, 2960937, 4182911, 6128451, 12548733, 29280377, 37646199, 87841131, 263523393]

約数ペア:

[(1, 263523393), (3, 87841131), (7, 37646199), (9, 29280377), (21, 12548733), (43, 6128451), (63, 4182911), (89, 2960937), (129, 2042817), (267, 986979), (301, 875493), (387, 680939), (623, 422991), (801, 328993), (903, 291831), (1093, 241101), (1869, 140997), (2709, 97277), (3279, 80367), (3827, 68859), (5607, 46999), (7651, 34443), (9837, 26789), (11481, 22953)]