664025229

素因数分解:

$3^3\times 7^1\times {\mathrm{211}}^1\times {\mathrm{16651}}^1$

素因数の和:16878

約数の個数: 32

約数和(自身を含む): 1129671680

約数和(自身を除く): 465646451

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 211, 633, 1477, 1899, 4431, 5697, 13293, 16651, 39879, 49953, 116557, 149859, 349671, 449577, 1049013, 3147039, 3513361, 10540083, 24593527, 31620249, 73780581, 94860747, 221341743, 664025229]

約数ペア:

[(1, 664025229), (3, 221341743), (7, 94860747), (9, 73780581), (21, 31620249), (27, 24593527), (63, 10540083), (189, 3513361), (211, 3147039), (633, 1049013), (1477, 449577), (1899, 349671), (4431, 149859), (5697, 116557), (13293, 49953), (16651, 39879)]