668812119

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{28807}}^1$

素因数の和:28990

約数の個数: 16

約数和(自身を含む): 912637440

約数和(自身を除く): 243825321

約数列:

[1, 3, 71, 109, 213, 327, 7739, 23217, 28807, 86421, 2045297, 3139963, 6135891, 9419889, 222937373, 668812119]

約数ペア:

[(1, 668812119), (3, 222937373), (71, 9419889), (109, 6135891), (213, 3139963), (327, 2045297), (7739, 86421), (23217, 28807)]