57156939

素因数分解:

$3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1\times {\mathrm{139}}^1$

素因数の和:320

約数の個数: 48

約数和(自身を含む): 97493760

約数和(自身を除く): 40336821

約数列:

[1, 3, 7, 9, 21, 61, 63, 107, 139, 183, 321, 417, 427, 549, 749, 963, 973, 1251, 1281, 2247, 2919, 3843, 6527, 6741, 8479, 8757, 14873, 19581, 25437, 44619, 45689, 58743, 59353, 76311, 104111, 133857, 137067, 178059, 312333, 411201, 534177, 907253, 936999, 2721759, 6350771, 8165277, 19052313, 57156939]

約数ペア:

[(1, 57156939), (3, 19052313), (7, 8165277), (9, 6350771), (21, 2721759), (61, 936999), (63, 907253), (107, 534177), (139, 411201), (183, 312333), (321, 178059), (417, 137067), (427, 133857), (549, 104111), (749, 76311), (963, 59353), (973, 58743), (1251, 45689), (1281, 44619), (2247, 25437), (2919, 19581), (3843, 14873), (6527, 8757), (6741, 8479)]