20161443393

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{5479}}^1\times {\mathrm{4493}}^1$

素因数の和:9998

約数の個数: 48

約数和(自身を含む): 35857086720

約数和(自身を除く): 15695643327

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 4493, 5479, 13479, 16437, 31451, 38353, 40437, 49311, 58409, 71227, 94353, 115059, 175227, 213681, 283059, 345177, 408863, 498589, 525681, 641043, 1226589, 1495767, 3679767, 4487301, 24617147, 73851441, 172320029, 221554323, 320022911, 516960087, 960068733, 1550880261, 2240160377, 2880206199, 6720481131, 20161443393]

約数ペア:

[(1, 20161443393), (3, 6720481131), (7, 2880206199), (9, 2240160377), (13, 1550880261), (21, 960068733), (39, 516960087), (63, 320022911), (91, 221554323), (117, 172320029), (273, 73851441), (819, 24617147), (4493, 4487301), (5479, 3679767), (13479, 1495767), (16437, 1226589), (31451, 641043), (38353, 525681), (40437, 498589), (49311, 408863), (58409, 345177), (71227, 283059), (94353, 213681), (115059, 175227)]