25428039

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{5479}}^1$

素因数の和:5519

約数の個数: 32

約数和(自身を含む): 44190720

約数和(自身を除く): 18762681

約数列:

[1, 3, 7, 13, 17, 21, 39, 51, 91, 119, 221, 273, 357, 663, 1547, 4641, 5479, 16437, 38353, 71227, 93143, 115059, 213681, 279429, 498589, 652001, 1210859, 1495767, 1956003, 3632577, 8476013, 25428039]

約数ペア:

[(1, 25428039), (3, 8476013), (7, 3632577), (13, 1956003), (17, 1495767), (21, 1210859), (39, 652001), (51, 498589), (91, 279429), (119, 213681), (221, 115059), (273, 93143), (357, 71227), (663, 38353), (1547, 16437), (4641, 5479)]