207914715

素因数分解:

$3^3\times 5^1\times {\mathrm{1540109}}^1$

素因数の和:1540123

約数の個数: 16

約数和(自身を含む): 369626400

約数和(自身を除く): 161711685

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 1540109, 4620327, 7700545, 13860981, 23101635, 41582943, 69304905, 207914715]

約数ペア:

[(1, 207914715), (3, 69304905), (5, 41582943), (9, 23101635), (15, 13860981), (27, 7700545), (45, 4620327), (135, 1540109)]