12840831

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1$

素因数の和:176

約数の個数: 48

約数和(自身を含む): 21228480

約数和(自身を除く): 8387649

約数列:

[1, 3, 9, 17, 23, 41, 51, 69, 89, 123, 153, 207, 267, 369, 391, 697, 801, 943, 1173, 1513, 2047, 2091, 2829, 3519, 3649, 4539, 6141, 6273, 8487, 10947, 13617, 16031, 18423, 32841, 34799, 48093, 62033, 83927, 104397, 144279, 186099, 251781, 313191, 558297, 755343, 1426759, 4280277, 12840831]

約数ペア:

[(1, 12840831), (3, 4280277), (9, 1426759), (17, 755343), (23, 558297), (41, 313191), (51, 251781), (69, 186099), (89, 144279), (123, 104397), (153, 83927), (207, 62033), (267, 48093), (369, 34799), (391, 32841), (697, 18423), (801, 16031), (943, 13617), (1173, 10947), (1513, 8487), (2047, 6273), (2091, 6141), (2829, 4539), (3519, 3649)]