28893957

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{7901}}^1$

素因数の和:7980

約数の個数: 16

約数和(自身を含む): 40963968

約数和(自身を除く): 12070011

約数列:

[1, 3, 23, 53, 69, 159, 1219, 3657, 7901, 23703, 181723, 418753, 545169, 1256259, 9631319, 28893957]

約数ペア:

[(1, 28893957), (3, 9631319), (23, 1256259), (53, 545169), (69, 418753), (159, 181723), (1219, 23703), (3657, 7901)]