28338681

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{431}}^1$

素因数の和:573

約数の個数: 32

約数和(自身を含む): 45121536

約数和(自身を除く): 16782855

約数列:

[1, 3, 7, 21, 31, 93, 101, 217, 303, 431, 651, 707, 1293, 2121, 3017, 3131, 9051, 9393, 13361, 21917, 40083, 43531, 65751, 93527, 130593, 280581, 304717, 914151, 1349461, 4048383, 9446227, 28338681]

約数ペア:

[(1, 28338681), (3, 9446227), (7, 4048383), (21, 1349461), (31, 914151), (93, 304717), (101, 280581), (217, 130593), (303, 93527), (431, 65751), (651, 43531), (707, 40083), (1293, 21917), (2121, 13361), (3017, 9393), (3131, 9051)]