12561147

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1$

素因数の和:220

約数の個数: 48

約数和(自身を含む): 21060000

約数和(自身を除く): 8498853

約数列:

[1, 3, 9, 17, 19, 29, 51, 57, 87, 149, 153, 171, 261, 323, 447, 493, 551, 969, 1341, 1479, 1653, 2533, 2831, 2907, 4321, 4437, 4959, 7599, 8493, 9367, 12963, 22797, 25479, 28101, 38889, 48127, 73457, 82099, 84303, 144381, 220371, 246297, 433143, 661113, 738891, 1395683, 4187049, 12561147]

約数ペア:

[(1, 12561147), (3, 4187049), (9, 1395683), (17, 738891), (19, 661113), (29, 433143), (51, 246297), (57, 220371), (87, 144381), (149, 84303), (153, 82099), (171, 73457), (261, 48127), (323, 38889), (447, 28101), (493, 25479), (551, 22797), (969, 12963), (1341, 9367), (1479, 8493), (1653, 7599), (2533, 4959), (2831, 4437), (2907, 4321)]