28290921

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{433}}^1\times {\mathrm{751}}^1$

素因数の和:1216

約数の個数: 16

約数和(自身を含む): 39164160

約数和(自身を除く): 10873239

約数列:

[1, 3, 29, 87, 433, 751, 1299, 2253, 12557, 21779, 37671, 65337, 325183, 975549, 9430307, 28290921]

約数ペア:

[(1, 28290921), (3, 9430307), (29, 975549), (87, 325183), (433, 65337), (751, 37671), (1299, 21779), (2253, 12557)]