40990887

素因数分解:

$3^3\times 7^1\times {\mathrm{73}}^1\times {\mathrm{2971}}^1$

素因数の和:3060

約数の個数: 32

約数和(自身を含む): 70376960

約数和(自身を除く): 29386073

約数列:

[1, 3, 7, 9, 21, 27, 63, 73, 189, 219, 511, 657, 1533, 1971, 2971, 4599, 8913, 13797, 20797, 26739, 62391, 80217, 187173, 216883, 561519, 650649, 1518181, 1951947, 4554543, 5855841, 13663629, 40990887]

約数ペア:

[(1, 40990887), (3, 13663629), (7, 5855841), (9, 4554543), (21, 1951947), (27, 1518181), (63, 650649), (73, 561519), (189, 216883), (219, 187173), (511, 80217), (657, 62391), (1533, 26739), (1971, 20797), (2971, 13797), (4599, 8913)]