66680385

素因数分解:

$3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{31981}}^1$

素因数の和:32128

約数の個数: 16

約数和(自身を含む): 107459520

約数和(自身を除く): 40779135

約数列:

[1, 3, 5, 15, 139, 417, 695, 2085, 31981, 95943, 159905, 479715, 4445359, 13336077, 22226795, 66680385]

約数ペア:

[(1, 66680385), (3, 22226795), (5, 13336077), (15, 4445359), (139, 479715), (417, 159905), (695, 95943), (2085, 31981)]