9997785

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1867}}^1$

素因数の和:1902

約数の個数: 48

約数和(自身を含む): 20981376

約数和(自身を除く): 10983591

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 35, 45, 51, 63, 85, 105, 119, 153, 255, 315, 357, 595, 765, 1071, 1785, 1867, 5355, 5601, 9335, 13069, 16803, 28005, 31739, 39207, 65345, 84015, 95217, 117621, 158695, 196035, 222173, 285651, 476085, 588105, 666519, 1110865, 1428255, 1999557, 3332595, 9997785]

約数ペア:

[(1, 9997785), (3, 3332595), (5, 1999557), (7, 1428255), (9, 1110865), (15, 666519), (17, 588105), (21, 476085), (35, 285651), (45, 222173), (51, 196035), (63, 158695), (85, 117621), (105, 95217), (119, 84015), (153, 65345), (255, 39207), (315, 31739), (357, 28005), (595, 16803), (765, 13069), (1071, 9335), (1785, 5601), (1867, 5355)]