26957931

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{191}}^1$

素因数の和:272

約数の個数: 64

約数和(自身を含む): 49545216

約数和(自身を除く): 22587285

約数列:

[1, 3, 7, 11, 13, 21, 33, 39, 47, 77, 91, 141, 143, 191, 231, 273, 329, 429, 517, 573, 611, 987, 1001, 1337, 1551, 1833, 2101, 2483, 3003, 3619, 4011, 4277, 6303, 6721, 7449, 8977, 10857, 12831, 14707, 17381, 20163, 26931, 27313, 44121, 47047, 52143, 62839, 81939, 98747, 116701, 141141, 188517, 191191, 296241, 350103, 573573, 691229, 816907, 1283711, 2073687, 2450721, 3851133, 8985977, 26957931]

約数ペア:

[(1, 26957931), (3, 8985977), (7, 3851133), (11, 2450721), (13, 2073687), (21, 1283711), (33, 816907), (39, 691229), (47, 573573), (77, 350103), (91, 296241), (141, 191191), (143, 188517), (191, 141141), (231, 116701), (273, 98747), (329, 81939), (429, 62839), (517, 52143), (573, 47047), (611, 44121), (987, 27313), (1001, 26931), (1337, 20163), (1551, 17381), (1833, 14707), (2101, 12831), (2483, 10857), (3003, 8977), (3619, 7449), (4011, 6721), (4277, 6303)]