51259203

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{419}}^1$

素因数の和:648

約数の個数: 32

約数和(自身を含む): 79833600

約数和(自身を除く): 28574397

約数列:

[1, 3, 9, 23, 27, 69, 197, 207, 419, 591, 621, 1257, 1773, 3771, 4531, 5319, 9637, 11313, 13593, 28911, 40779, 82543, 86733, 122337, 247629, 260199, 742887, 1898489, 2228661, 5695467, 17086401, 51259203]

約数ペア:

[(1, 51259203), (3, 17086401), (9, 5695467), (23, 2228661), (27, 1898489), (69, 742887), (197, 260199), (207, 247629), (419, 122337), (591, 86733), (621, 82543), (1257, 40779), (1773, 28911), (3771, 13593), (4531, 11313), (5319, 9637)]