40137993

素因数分解:

$3^2\times 7^1\times {\mathrm{223}}^1\times {\mathrm{2857}}^1$

素因数の和:3093

約数の個数: 24

約数和(自身を含む): 66579968

約数和(自身を除く): 26441975

約数列:

[1, 3, 7, 9, 21, 63, 223, 669, 1561, 2007, 2857, 4683, 8571, 14049, 19999, 25713, 59997, 179991, 637111, 1911333, 4459777, 5733999, 13379331, 40137993]

約数ペア:

[(1, 40137993), (3, 13379331), (7, 5733999), (9, 4459777), (21, 1911333), (63, 637111), (223, 179991), (669, 59997), (1561, 25713), (2007, 19999), (2857, 14049), (4683, 8571)]