425565

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{193}}^1$

素因数の和:218

約数の個数: 36

約数和(自身を含む): 862524

約数和(自身を除く): 436959

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 105, 147, 193, 245, 315, 441, 579, 735, 965, 1351, 1737, 2205, 2895, 4053, 6755, 8685, 9457, 12159, 20265, 28371, 47285, 60795, 85113, 141855, 425565]

約数ペア:

[(1, 425565), (3, 141855), (5, 85113), (7, 60795), (9, 47285), (15, 28371), (21, 20265), (35, 12159), (45, 9457), (49, 8685), (63, 6755), (105, 4053), (147, 2895), (193, 2205), (245, 1737), (315, 1351), (441, 965), (579, 735)]