128847285

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{449}}^1\times {\mathrm{911}}^1$

素因数の和:1378

約数の個数: 48

約数和(自身を含む): 256089600

約数和(自身を除く): 127242315

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 449, 911, 1347, 2245, 2733, 3143, 4041, 4555, 6377, 6735, 8199, 9429, 13665, 15715, 19131, 20205, 28287, 31885, 40995, 47145, 57393, 95655, 141435, 286965, 409039, 1227117, 2045195, 2863273, 3681351, 6135585, 8589819, 14316365, 18406755, 25769457, 42949095, 128847285]

約数ペア:

[(1, 128847285), (3, 42949095), (5, 25769457), (7, 18406755), (9, 14316365), (15, 8589819), (21, 6135585), (35, 3681351), (45, 2863273), (63, 2045195), (105, 1227117), (315, 409039), (449, 286965), (911, 141435), (1347, 95655), (2245, 57393), (2733, 47145), (3143, 40995), (4041, 31885), (4555, 28287), (6377, 20205), (6735, 19131), (8199, 15715), (9429, 13665)]