391858047

素因数分解:

$3^3\times 7^2\times {\mathrm{241}}^1\times {\mathrm{1229}}^1$

素因数の和:1493

約数の個数: 48

約数和(自身を含む): 678664800

約数和(自身を除く): 286806753

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 241, 441, 723, 1229, 1323, 1687, 2169, 3687, 5061, 6507, 8603, 11061, 11809, 15183, 25809, 33183, 35427, 45549, 60221, 77427, 106281, 180663, 232281, 296189, 318843, 541989, 888567, 1625967, 2073323, 2665701, 6219969, 7997103, 14513261, 18659907, 43539783, 55979721, 130619349, 391858047]

約数ペア:

[(1, 391858047), (3, 130619349), (7, 55979721), (9, 43539783), (21, 18659907), (27, 14513261), (49, 7997103), (63, 6219969), (147, 2665701), (189, 2073323), (241, 1625967), (441, 888567), (723, 541989), (1229, 318843), (1323, 296189), (1687, 232281), (2169, 180663), (3687, 106281), (5061, 77427), (6507, 60221), (8603, 45549), (11061, 35427), (11809, 33183), (15183, 25809)]