142770621

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{223}}^1\times {\mathrm{709}}^1$

素因数の和:985

約数の個数: 32

約数和(自身を含む): 223928320

約数和(自身を除く): 81157699

約数列:

[1, 3, 7, 21, 43, 129, 223, 301, 669, 709, 903, 1561, 2127, 4683, 4963, 9589, 14889, 28767, 30487, 67123, 91461, 158107, 201369, 213409, 474321, 640227, 1106749, 3320247, 6798601, 20395803, 47590207, 142770621]

約数ペア:

[(1, 142770621), (3, 47590207), (7, 20395803), (21, 6798601), (43, 3320247), (129, 1106749), (223, 640227), (301, 474321), (669, 213409), (709, 201369), (903, 158107), (1561, 91461), (2127, 67123), (4683, 30487), (4963, 28767), (9589, 14889)]