4965219

素因数分解:

$3^6\times 7^2\times {\mathrm{139}}^1$

素因数の和:171

約数の個数: 42

約数和(自身を含む): 8722140

約数和(自身を除く): 3756921

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 139, 147, 189, 243, 417, 441, 567, 729, 973, 1251, 1323, 1701, 2919, 3753, 3969, 5103, 6811, 8757, 11259, 11907, 20433, 26271, 33777, 35721, 61299, 78813, 101331, 183897, 236439, 551691, 709317, 1655073, 4965219]

約数ペア:

[(1, 4965219), (3, 1655073), (7, 709317), (9, 551691), (21, 236439), (27, 183897), (49, 101331), (63, 78813), (81, 61299), (139, 35721), (147, 33777), (189, 26271), (243, 20433), (417, 11907), (441, 11259), (567, 8757), (729, 6811), (973, 5103), (1251, 3969), (1323, 3753), (1701, 2919)]