205979055

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{653}}^1\times {\mathrm{1237}}^1$

素因数の和:1915

約数の個数: 32

約数和(自身を含む): 349769664

約数和(自身を除く): 143790609

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 653, 1237, 1959, 3265, 3711, 6185, 9795, 11101, 18555, 21029, 33303, 55505, 63087, 105145, 166515, 315435, 807761, 2423283, 4038805, 12116415, 13731937, 41195811, 68659685, 205979055]

約数ペア:

[(1, 205979055), (3, 68659685), (5, 41195811), (15, 13731937), (17, 12116415), (51, 4038805), (85, 2423283), (255, 807761), (653, 315435), (1237, 166515), (1959, 105145), (3265, 63087), (3711, 55505), (6185, 33303), (9795, 21029), (11101, 18555)]