205857603

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{1879}}^1$

素因数の和:1976

約数の個数: 48

約数和(自身を含む): 356628480

約数和(自身を除く): 150770877

約数列:

[1, 3, 7, 9, 21, 37, 47, 63, 111, 141, 259, 329, 333, 423, 777, 987, 1739, 1879, 2331, 2961, 5217, 5637, 12173, 13153, 15651, 16911, 36519, 39459, 69523, 88313, 109557, 118377, 208569, 264939, 486661, 618191, 625707, 794817, 1459983, 1854573, 3267581, 4379949, 5563719, 9802743, 22873067, 29408229, 68619201, 205857603]

約数ペア:

[(1, 205857603), (3, 68619201), (7, 29408229), (9, 22873067), (21, 9802743), (37, 5563719), (47, 4379949), (63, 3267581), (111, 1854573), (141, 1459983), (259, 794817), (329, 625707), (333, 618191), (423, 486661), (777, 264939), (987, 208569), (1739, 118377), (1879, 109557), (2331, 88313), (2961, 69523), (5217, 39459), (5637, 36519), (12173, 16911), (13153, 15651)]