7901739

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{211}}^1$

素因数の和:312

約数の個数: 32

約数和(自身を含む): 12550400

約数和(自身を除く): 4648661

約数列:

[1, 3, 9, 19, 27, 57, 73, 171, 211, 219, 513, 633, 657, 1387, 1899, 1971, 4009, 4161, 5697, 12027, 12483, 15403, 36081, 37449, 46209, 108243, 138627, 292657, 415881, 877971, 2633913, 7901739]

約数ペア:

[(1, 7901739), (3, 2633913), (9, 877971), (19, 415881), (27, 292657), (57, 138627), (73, 108243), (171, 46209), (211, 37449), (219, 36081), (513, 15403), (633, 12483), (657, 12027), (1387, 5697), (1899, 4161), (1971, 4009)]