66640239

素因数分解:

$3^4\times {\mathrm{19}}^2\times {\mathrm{43}}^1\times {\mathrm{53}}^1$

素因数の和:146

約数の個数: 60

約数和(自身を含む): 109535976

約数和(自身を除く): 42895737

約数列:

[1, 3, 9, 19, 27, 43, 53, 57, 81, 129, 159, 171, 361, 387, 477, 513, 817, 1007, 1083, 1161, 1431, 1539, 2279, 2451, 3021, 3249, 3483, 4293, 6837, 7353, 9063, 9747, 15523, 19133, 20511, 22059, 27189, 29241, 43301, 46569, 57399, 61533, 66177, 81567, 129903, 139707, 172197, 184599, 389709, 419121, 516591, 822719, 1169127, 1257363, 1549773, 2468157, 3507381, 7404471, 22213413, 66640239]

約数ペア:

[(1, 66640239), (3, 22213413), (9, 7404471), (19, 3507381), (27, 2468157), (43, 1549773), (53, 1257363), (57, 1169127), (81, 822719), (129, 516591), (159, 419121), (171, 389709), (361, 184599), (387, 172197), (477, 139707), (513, 129903), (817, 81567), (1007, 66177), (1083, 61533), (1161, 57399), (1431, 46569), (1539, 43301), (2279, 29241), (2451, 27189), (3021, 22059), (3249, 20511), (3483, 19133), (4293, 15523), (6837, 9747), (7353, 9063)]