638963955

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{119321}}^1$

素因数の和:119356

約数の個数: 48

約数和(自身を含む): 1340224704

約数和(自身を除く): 701260749

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, 5355, 119321, 357963, 596605, 835247, 1073889, 1789815, 2028457, 2505741, 4176235, 5369445, 6085371, 7517223, 10142285, 12528705, 14199199, 18256113, 30426855, 37586115, 42597597, 70995995, 91280565, 127792791, 212987985, 638963955]

約数ペア:

[(1, 638963955), (3, 212987985), (5, 127792791), (7, 91280565), (9, 70995995), (15, 42597597), (17, 37586115), (21, 30426855), (35, 18256113), (45, 14199199), (51, 12528705), (63, 10142285), (85, 7517223), (105, 6085371), (119, 5369445), (153, 4176235), (255, 2505741), (315, 2028457), (357, 1789815), (595, 1073889), (765, 835247), (1071, 596605), (1785, 357963), (5355, 119321)]