15783885

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{26981}}^1$

素因数の和:27005

約数の個数: 24

約数和(自身を含む): 29464344

約数和(自身を除く): 13680459

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 585, 26981, 80943, 134905, 242829, 350753, 404715, 1052259, 1214145, 1753765, 3156777, 5261295, 15783885]

約数ペア:

[(1, 15783885), (3, 5261295), (5, 3156777), (9, 1753765), (13, 1214145), (15, 1052259), (39, 404715), (45, 350753), (65, 242829), (117, 134905), (195, 80943), (585, 26981)]