171940941

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{521}}^1\times {\mathrm{719}}^1$

素因数の和:1266

約数の個数: 32

約数和(自身を含む): 270604800

約数和(自身を除く): 98663859

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 521, 719, 1563, 2157, 4689, 6471, 8857, 12223, 14067, 19413, 26571, 36669, 79713, 110007, 239139, 330021, 374599, 1123797, 3371391, 6368183, 10114173, 19104549, 57313647, 171940941]

約数ペア:

[(1, 171940941), (3, 57313647), (9, 19104549), (17, 10114173), (27, 6368183), (51, 3371391), (153, 1123797), (459, 374599), (521, 330021), (719, 239139), (1563, 110007), (2157, 79713), (4689, 36669), (6471, 26571), (8857, 19413), (12223, 14067)]