16578081

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{647}}^1$

素因数の和:742

約数の個数: 32

約数和(自身を含む): 26853120

約数和(自身を除く): 10275039

約数列:

[1, 3, 9, 13, 27, 39, 73, 117, 219, 351, 647, 657, 949, 1941, 1971, 2847, 5823, 8411, 8541, 17469, 25233, 25623, 47231, 75699, 141693, 227097, 425079, 614003, 1275237, 1842009, 5526027, 16578081]

約数ペア:

[(1, 16578081), (3, 5526027), (9, 1842009), (13, 1275237), (27, 614003), (39, 425079), (73, 227097), (117, 141693), (219, 75699), (351, 47231), (647, 25623), (657, 25233), (949, 17469), (1941, 8541), (1971, 8411), (2847, 5823)]