1993355

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{337}}^1$

素因数の和:375

約数の個数: 24

約数和(自身を含む): 2968992

約数和(自身を除く): 975637

約数列:

[1, 5, 7, 13, 35, 65, 91, 169, 337, 455, 845, 1183, 1685, 2359, 4381, 5915, 11795, 21905, 30667, 56953, 153335, 284765, 398671, 1993355]

約数ペア:

[(1, 1993355), (5, 398671), (7, 284765), (13, 153335), (35, 56953), (65, 30667), (91, 21905), (169, 11795), (337, 5915), (455, 4381), (845, 2359), (1183, 1685)]