20121615045

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{9125449}}^1$

素因数の和:9125474

約数の個数: 36

約数和(自身を含む): 40571750700

約数和(自身を除く): 20450135655

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 105, 147, 245, 315, 441, 735, 2205, 9125449, 27376347, 45627245, 63878143, 82129041, 136881735, 191634429, 319390715, 410645205, 447147001, 574903287, 958172145, 1341441003, 2235735005, 2874516435, 4024323009, 6707205015, 20121615045]

約数ペア:

[(1, 20121615045), (3, 6707205015), (5, 4024323009), (7, 2874516435), (9, 2235735005), (15, 1341441003), (21, 958172145), (35, 574903287), (45, 447147001), (49, 410645205), (63, 319390715), (105, 191634429), (147, 136881735), (245, 82129041), (315, 63878143), (441, 45627245), (735, 27376347), (2205, 9125449)]