12126915

素因数分解:

$3^7\times 5^1\times {\mathrm{1109}}^1$

素因数の和:1135

約数の個数: 32

約数和(自身を含む): 21844800

約数和(自身を除く): 9717885

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 729, 1109, 1215, 2187, 3327, 3645, 5545, 9981, 10935, 16635, 29943, 49905, 89829, 149715, 269487, 449145, 808461, 1347435, 2425383, 4042305, 12126915]

約数ペア:

[(1, 12126915), (3, 4042305), (5, 2425383), (9, 1347435), (15, 808461), (27, 449145), (45, 269487), (81, 149715), (135, 89829), (243, 49905), (405, 29943), (729, 16635), (1109, 10935), (1215, 9981), (2187, 5545), (3327, 3645)]