209200773

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{157}}^1\times {\mathrm{241}}^1$

素因数の和:517

約数の個数: 32

約数和(自身を含む): 299770240

約数和(自身を除く): 90569467

約数列:

[1, 3, 19, 57, 97, 157, 241, 291, 471, 723, 1843, 2983, 4579, 5529, 8949, 13737, 15229, 23377, 37837, 45687, 70131, 113511, 289351, 444163, 718903, 868053, 1332489, 2156709, 3670189, 11010567, 69733591, 209200773]

約数ペア:

[(1, 209200773), (3, 69733591), (19, 11010567), (57, 3670189), (97, 2156709), (157, 1332489), (241, 868053), (291, 718903), (471, 444163), (723, 289351), (1843, 113511), (2983, 70131), (4579, 45687), (5529, 37837), (8949, 23377), (13737, 15229)]