40513641

素因数分解:

$3^1\times 7^2\times {\mathrm{197}}^1\times {\mathrm{1399}}^1$

素因数の和:1613

約数の個数: 24

約数和(自身を含む): 63201600

約数和(自身を除く): 22687959

約数列:

[1, 3, 7, 21, 49, 147, 197, 591, 1379, 1399, 4137, 4197, 9653, 9793, 28959, 29379, 68551, 205653, 275603, 826809, 1929221, 5787663, 13504547, 40513641]

約数ペア:

[(1, 40513641), (3, 13504547), (7, 5787663), (21, 1929221), (49, 826809), (147, 275603), (197, 205653), (591, 68551), (1379, 29379), (1399, 28959), (4137, 9793), (4197, 9653)]