4042305

素因数分解:

$3^6\times 5^1\times {\mathrm{1109}}^1$

素因数の和:1132

約数の個数: 28

約数和(自身を含む): 7279380

約数和(自身を除く): 3237075

約数列:

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

約数ペア:

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