28197321

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{6451}}^1$

素因数の和:6532

約数の個数: 16

約数和(自身を含む): 39641088

約数和(自身を除く): 11443767

約数列:

[1, 3, 31, 47, 93, 141, 1457, 4371, 6451, 19353, 199981, 303197, 599943, 909591, 9399107, 28197321]

約数ペア:

[(1, 28197321), (3, 9399107), (31, 909591), (47, 599943), (93, 303197), (141, 199981), (1457, 19353), (4371, 6451)]