40312881

素因数分解:

$3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{15607}}^1$

素因数の和:15661

約数の個数: 24

約数和(自身を含む): 68175744

約数和(自身を除く): 27862863

約数列:

[1, 3, 7, 9, 21, 41, 63, 123, 287, 369, 861, 2583, 15607, 46821, 109249, 140463, 327747, 639887, 983241, 1919661, 4479209, 5758983, 13437627, 40312881]

約数ペア:

[(1, 40312881), (3, 13437627), (7, 5758983), (9, 4479209), (21, 1919661), (41, 983241), (63, 639887), (123, 327747), (287, 140463), (369, 109249), (861, 46821), (2583, 15607)]