64553697

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{409}}^1$

素因数の和:518

約数の個数: 48

約数和(自身を含む): 107452800

約数和(自身を除く): 42899103

約数列:

[1, 3, 9, 13, 19, 39, 57, 71, 117, 171, 213, 247, 409, 639, 741, 923, 1227, 1349, 2223, 2769, 3681, 4047, 5317, 7771, 8307, 12141, 15951, 17537, 23313, 29039, 47853, 52611, 69939, 87117, 101023, 157833, 261351, 303069, 377507, 551741, 909207, 1132521, 1655223, 3397563, 4965669, 7172633, 21517899, 64553697]

約数ペア:

[(1, 64553697), (3, 21517899), (9, 7172633), (13, 4965669), (19, 3397563), (39, 1655223), (57, 1132521), (71, 909207), (117, 551741), (171, 377507), (213, 303069), (247, 261351), (409, 157833), (639, 101023), (741, 87117), (923, 69939), (1227, 52611), (1349, 47853), (2223, 29039), (2769, 23313), (3681, 17537), (4047, 15951), (5317, 12141), (7771, 8307)]