2457945

素因数分解:

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

素因数の和:61

約数の個数: 72

約数和(自身を含む): 5363904

約数和(自身を除く): 2905959

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 27, 35, 45, 51, 63, 81, 85, 105, 119, 135, 153, 189, 243, 255, 289, 315, 357, 405, 459, 567, 595, 765, 867, 945, 1071, 1215, 1377, 1445, 1701, 1785, 2023, 2295, 2601, 2835, 3213, 4131, 4335, 5355, 6069, 6885, 7803, 8505, 9639, 10115, 13005, 16065, 18207, 20655, 23409, 28917, 30345, 39015, 48195, 54621, 70227, 91035, 117045, 144585, 163863, 273105, 351135, 491589, 819315, 2457945]

約数ペア:

[(1, 2457945), (3, 819315), (5, 491589), (7, 351135), (9, 273105), (15, 163863), (17, 144585), (21, 117045), (27, 91035), (35, 70227), (45, 54621), (51, 48195), (63, 39015), (81, 30345), (85, 28917), (105, 23409), (119, 20655), (135, 18207), (153, 16065), (189, 13005), (243, 10115), (255, 9639), (289, 8505), (315, 7803), (357, 6885), (405, 6069), (459, 5355), (567, 4335), (595, 4131), (765, 3213), (867, 2835), (945, 2601), (1071, 2295), (1215, 2023), (1377, 1785), (1445, 1701)]