66345321

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{257}}^1\times {\mathrm{647}}^1$

素因数の和:933

約数の個数: 32

約数和(自身を含む): 106997760

約数和(自身を除く): 40652439

約数列:

[1, 3, 7, 19, 21, 57, 133, 257, 399, 647, 771, 1799, 1941, 4529, 4883, 5397, 12293, 13587, 14649, 34181, 36879, 86051, 102543, 166279, 258153, 498837, 1163953, 3159301, 3491859, 9477903, 22115107, 66345321]

約数ペア:

[(1, 66345321), (3, 22115107), (7, 9477903), (19, 3491859), (21, 3159301), (57, 1163953), (133, 498837), (257, 258153), (399, 166279), (647, 102543), (771, 86051), (1799, 36879), (1941, 34181), (4529, 14649), (4883, 13587), (5397, 12293)]