1538693721

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1\times {\mathrm{1009}}^1$

素因数の和:1230

約数の個数: 48

約数和(自身を含む): 2382307200

約数和(自身を除く): 843613479

約数列:

[1, 3, 9, 23, 53, 69, 139, 159, 207, 417, 477, 1009, 1219, 1251, 3027, 3197, 3657, 7367, 9081, 9591, 10971, 22101, 23207, 28773, 53477, 66303, 69621, 140251, 160431, 169441, 208863, 420753, 481293, 508323, 1229971, 1262259, 1524969, 3225773, 3689913, 7433303, 9677319, 11069739, 22299909, 29031957, 66899727, 170965969, 512897907, 1538693721]

約数ペア:

[(1, 1538693721), (3, 512897907), (9, 170965969), (23, 66899727), (53, 29031957), (69, 22299909), (139, 11069739), (159, 9677319), (207, 7433303), (417, 3689913), (477, 3225773), (1009, 1524969), (1219, 1262259), (1251, 1229971), (3027, 508323), (3197, 481293), (3657, 420753), (7367, 208863), (9081, 169441), (9591, 160431), (10971, 140251), (22101, 69621), (23207, 66303), (28773, 53477)]