28567143

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{2857}}^1$

素因数の和:2975

約数の個数: 24

約数和(自身を含む): 45476496

約数和(自身を除く): 16909353

約数列:

[1, 3, 9, 11, 33, 99, 101, 303, 909, 1111, 2857, 3333, 8571, 9999, 25713, 31427, 94281, 282843, 288557, 865671, 2597013, 3174127, 9522381, 28567143]

約数ペア:

[(1, 28567143), (3, 9522381), (9, 3174127), (11, 2597013), (33, 865671), (99, 288557), (101, 282843), (303, 94281), (909, 31427), (1111, 25713), (2857, 9999), (3333, 8571)]