281027085

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{431}}^1\times {\mathrm{2557}}^1$

素因数の和:3013

約数の個数: 32

約数和(自身を含む): 477384192

約数和(自身を除く): 196357107

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 431, 1293, 2155, 2557, 6465, 7327, 7671, 12785, 21981, 36635, 38355, 43469, 109905, 130407, 217345, 652035, 1102067, 3306201, 5510335, 16531005, 18735139, 56205417, 93675695, 281027085]

約数ペア:

[(1, 281027085), (3, 93675695), (5, 56205417), (15, 18735139), (17, 16531005), (51, 5510335), (85, 3306201), (255, 1102067), (431, 652035), (1293, 217345), (2155, 130407), (2557, 109905), (6465, 43469), (7327, 38355), (7671, 36635), (12785, 21981)]