127979439

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{2693}}^1$

素因数の和:2807

約数の個数: 32

約数和(自身を含む): 204140544

約数和(自身を除く): 76161105

約数列:

[1, 3, 7, 21, 31, 73, 93, 217, 219, 511, 651, 1533, 2263, 2693, 6789, 8079, 15841, 18851, 47523, 56553, 83483, 196589, 250449, 584381, 589767, 1376123, 1753143, 4128369, 6094259, 18282777, 42659813, 127979439]

約数ペア:

[(1, 127979439), (3, 42659813), (7, 18282777), (21, 6094259), (31, 4128369), (73, 1753143), (93, 1376123), (217, 589767), (219, 584381), (511, 250449), (651, 196589), (1533, 83483), (2263, 56553), (2693, 47523), (6789, 18851), (8079, 15841)]