399093993

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{10657}}^1$

素因数の和:10758

約数の個数: 32

約数和(自身を含む): 630953600

約数和(自身を除く): 231859607

約数列:

[1, 3, 9, 19, 27, 57, 73, 171, 219, 513, 657, 1387, 1971, 4161, 10657, 12483, 31971, 37449, 95913, 202483, 287739, 607449, 777961, 1822347, 2333883, 5467041, 7001649, 14781259, 21004947, 44343777, 133031331, 399093993]

約数ペア:

[(1, 399093993), (3, 133031331), (9, 44343777), (19, 21004947), (27, 14781259), (57, 7001649), (73, 5467041), (171, 2333883), (219, 1822347), (513, 777961), (657, 607449), (1387, 287739), (1971, 202483), (4161, 95913), (10657, 37449), (12483, 31971)]