1640221695

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{449}}^1\times {\mathrm{11597}}^1$

素因数の和:12064

約数の個数: 48

約数和(自身を含む): 3256718400

約数和(自身を除く): 1616496705

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 449, 1347, 2245, 3143, 4041, 6735, 9429, 11597, 15715, 20205, 28287, 34791, 47145, 57985, 81179, 104373, 141435, 173955, 243537, 405895, 521865, 730611, 1217685, 3653055, 5207053, 15621159, 26035265, 36449371, 46863477, 78105795, 109348113, 182246855, 234317385, 328044339, 546740565, 1640221695]

約数ペア:

[(1, 1640221695), (3, 546740565), (5, 328044339), (7, 234317385), (9, 182246855), (15, 109348113), (21, 78105795), (35, 46863477), (45, 36449371), (63, 26035265), (105, 15621159), (315, 5207053), (449, 3653055), (1347, 1217685), (2245, 730611), (3143, 521865), (4041, 405895), (6735, 243537), (9429, 173955), (11597, 141435), (15715, 104373), (20205, 81179), (28287, 57985), (34791, 47145)]