637112121

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{229}}^1\times {\mathrm{661}}^1$

素因数の和:977

約数の個数: 32

約数和(自身を含む): 906251520

約数和(自身を除く): 269139399

約数列:

[1, 3, 23, 61, 69, 183, 229, 661, 687, 1403, 1983, 4209, 5267, 13969, 15203, 15801, 40321, 41907, 45609, 120963, 151369, 321287, 454107, 927383, 963861, 2782149, 3481487, 9233509, 10444461, 27700527, 212370707, 637112121]

約数ペア:

[(1, 637112121), (3, 212370707), (23, 27700527), (61, 10444461), (69, 9233509), (183, 3481487), (229, 2782149), (661, 963861), (687, 927383), (1403, 454107), (1983, 321287), (4209, 151369), (5267, 120963), (13969, 45609), (15203, 41907), (15801, 40321)]