639631947

素因数分解:

$3^1\times {\mathrm{83}}^1\times {\mathrm{109}}^1\times {\mathrm{23567}}^1$

素因数の和:23762

約数の個数: 16

約数和(自身を含む): 871073280

約数和(自身を除く): 231441333

約数列:

[1, 3, 83, 109, 249, 327, 9047, 23567, 27141, 70701, 1956061, 2568803, 5868183, 7706409, 213210649, 639631947]

約数ペア:

[(1, 639631947), (3, 213210649), (83, 7706409), (109, 5868183), (249, 2568803), (327, 1956061), (9047, 70701), (23567, 27141)]