28245843

素因数分解:

$3^2\times {\mathrm{41}}^2\times {\mathrm{1867}}^1$

素因数の和:1955

約数の個数: 18

約数和(自身を含む): 41841332

約数和(自身を除く): 13595489

約数列:

[1, 3, 9, 41, 123, 369, 1681, 1867, 5043, 5601, 15129, 16803, 76547, 229641, 688923, 3138427, 9415281, 28245843]

約数ペア:

[(1, 28245843), (3, 9415281), (9, 3138427), (41, 688923), (123, 229641), (369, 76547), (1681, 16803), (1867, 15129), (5043, 5601)]