242883261

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{149}}^1\times {\mathrm{2551}}^1$

素因数の和:2777

約数の個数: 24

約数和(自身を含む): 358300800

約数和(自身を除く): 115417539

約数列:

[1, 3, 9, 71, 149, 213, 447, 639, 1341, 2551, 7653, 10579, 22959, 31737, 95211, 181121, 380099, 543363, 1140297, 1630089, 3420891, 26987029, 80961087, 242883261]

約数ペア:

[(1, 242883261), (3, 80961087), (9, 26987029), (71, 3420891), (149, 1630089), (213, 1140297), (447, 543363), (639, 380099), (1341, 181121), (2551, 95211), (7653, 31737), (10579, 22959)]