15896571831

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{255133}}^1$

素因数の和:255212

約数の個数: 48

約数和(自身を含む): 28019836416

約数和(自身を除く): 12123264585

約数列:

[1, 3, 7, 9, 21, 23, 43, 63, 69, 129, 161, 207, 301, 387, 483, 903, 989, 1449, 2709, 2967, 6923, 8901, 20769, 62307, 255133, 765399, 1785931, 2296197, 5357793, 5868059, 10970719, 16073379, 17604177, 32912157, 41076413, 52812531, 76795033, 98736471, 123229239, 230385099, 252326537, 369687717, 691155297, 756979611, 1766285759, 2270938833, 5298857277, 15896571831]

約数ペア:

[(1, 15896571831), (3, 5298857277), (7, 2270938833), (9, 1766285759), (21, 756979611), (23, 691155297), (43, 369687717), (63, 252326537), (69, 230385099), (129, 123229239), (161, 98736471), (207, 76795033), (301, 52812531), (387, 41076413), (483, 32912157), (903, 17604177), (989, 16073379), (1449, 10970719), (2709, 5868059), (2967, 5357793), (6923, 2296197), (8901, 1785931), (20769, 765399), (62307, 255133)]