28119921

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{5153}}^1$

素因数の和:5280

約数の個数: 16

約数和(自身を含む): 40077504

約数和(自身を除く): 11957583

約数列:

[1, 3, 17, 51, 107, 321, 1819, 5153, 5457, 15459, 87601, 262803, 551371, 1654113, 9373307, 28119921]

約数ペア:

[(1, 28119921), (3, 9373307), (17, 1654113), (51, 551371), (107, 262803), (321, 87601), (1819, 15459), (5153, 5457)]