15721799139

素因数分解:

$3^3\times {\mathrm{197}}^1\times {\mathrm{2955781}}^1$

素因数の和:2955987

約数の個数: 16

約数和(自身を含む): 23409793440

約数和(自身を除く): 7687994301

約数列:

[1, 3, 9, 27, 197, 591, 1773, 5319, 2955781, 8867343, 26602029, 79806087, 582288857, 1746866571, 5240599713, 15721799139]

約数ペア:

[(1, 15721799139), (3, 5240599713), (9, 1746866571), (27, 582288857), (197, 79806087), (591, 26602029), (1773, 8867343), (5319, 2955781)]