138223155

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{18541}}^1$

素因数の和:18627

約数の個数: 32

約数和(自身を含む): 256324608

約数和(自身を除く): 118101453

約数列:

[1, 3, 5, 7, 15, 21, 35, 71, 105, 213, 355, 497, 1065, 1491, 2485, 7455, 18541, 55623, 92705, 129787, 278115, 389361, 648935, 1316411, 1946805, 3949233, 6582055, 9214877, 19746165, 27644631, 46074385, 138223155]

約数ペア:

[(1, 138223155), (3, 46074385), (5, 27644631), (7, 19746165), (15, 9214877), (21, 6582055), (35, 3949233), (71, 1946805), (105, 1316411), (213, 648935), (355, 389361), (497, 278115), (1065, 129787), (1491, 92705), (2485, 55623), (7455, 18541)]