904995

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1$

素因数の和:61

約数の個数: 72

約数和(自身を含む): 2055456

約数和(自身を除く): 1150461

約数列:

[1, 3, 5, 7, 9, 13, 15, 17, 21, 35, 39, 45, 51, 63, 65, 85, 91, 105, 117, 119, 153, 169, 195, 221, 255, 273, 315, 357, 455, 507, 585, 595, 663, 765, 819, 845, 1071, 1105, 1183, 1365, 1521, 1547, 1785, 1989, 2535, 2873, 3315, 3549, 4095, 4641, 5355, 5915, 7605, 7735, 8619, 9945, 10647, 13923, 14365, 17745, 20111, 23205, 25857, 43095, 53235, 60333, 69615, 100555, 129285, 180999, 301665, 904995]

約数ペア:

[(1, 904995), (3, 301665), (5, 180999), (7, 129285), (9, 100555), (13, 69615), (15, 60333), (17, 53235), (21, 43095), (35, 25857), (39, 23205), (45, 20111), (51, 17745), (63, 14365), (65, 13923), (85, 10647), (91, 9945), (105, 8619), (117, 7735), (119, 7605), (153, 5915), (169, 5355), (195, 4641), (221, 4095), (255, 3549), (273, 3315), (315, 2873), (357, 2535), (455, 1989), (507, 1785), (585, 1547), (595, 1521), (663, 1365), (765, 1183), (819, 1105), (845, 1071)]