15865227

素因数分解:

$3^6\times 7^1\times {\mathrm{3109}}^1$

素因数の和:3134

約数の個数: 28

約数和(自身を含む): 27193840

約数和(自身を除く): 11328613

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 729, 1701, 3109, 5103, 9327, 21763, 27981, 65289, 83943, 195867, 251829, 587601, 755487, 1762803, 2266461, 5288409, 15865227]

約数ペア:

[(1, 15865227), (3, 5288409), (7, 2266461), (9, 1762803), (21, 755487), (27, 587601), (63, 251829), (81, 195867), (189, 83943), (243, 65289), (567, 27981), (729, 21763), (1701, 9327), (3109, 5103)]