55407681

素因数分解:

$3^2\times 7^2\times {\mathrm{125641}}^1$

素因数の和:125661

約数の個数: 18

約数和(自身を含む): 93100722

約数和(自身を除く): 37693041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 125641, 376923, 879487, 1130769, 2638461, 6156409, 7915383, 18469227, 55407681]

約数ペア:

[(1, 55407681), (3, 18469227), (7, 7915383), (9, 6156409), (21, 2638461), (49, 1130769), (63, 879487), (147, 376923), (441, 125641)]