64728573

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{12479}}^1$

素因数の和:12521

約数の個数: 32

約数和(自身を含む): 111820800

約数和(自身を除く): 47092227

約数列:

[1, 3, 7, 13, 19, 21, 39, 57, 91, 133, 247, 273, 399, 741, 1729, 5187, 12479, 37437, 87353, 162227, 237101, 262059, 486681, 711303, 1135589, 1659707, 3082313, 3406767, 4979121, 9246939, 21576191, 64728573]

約数ペア:

[(1, 64728573), (3, 21576191), (7, 9246939), (13, 4979121), (19, 3406767), (21, 3082313), (39, 1659707), (57, 1135589), (91, 711303), (133, 486681), (247, 262059), (273, 237101), (399, 162227), (741, 87353), (1729, 37437), (5187, 12479)]