40895841

素因数分解:

$3^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{103}}^1$

素因数の和:230

約数の個数: 48

約数和(自身を含む): 66678144

約数和(自身を除く): 25782303

約数列:

[1, 3, 7, 21, 37, 49, 73, 103, 111, 147, 219, 259, 309, 511, 721, 777, 1533, 1813, 2163, 2701, 3577, 3811, 5047, 5439, 7519, 8103, 10731, 11433, 15141, 18907, 22557, 26677, 52633, 56721, 80031, 132349, 157899, 186739, 278203, 368431, 397047, 560217, 834609, 1105293, 1947421, 5842263, 13631947, 40895841]

約数ペア:

[(1, 40895841), (3, 13631947), (7, 5842263), (21, 1947421), (37, 1105293), (49, 834609), (73, 560217), (103, 397047), (111, 368431), (147, 278203), (219, 186739), (259, 157899), (309, 132349), (511, 80031), (721, 56721), (777, 52633), (1533, 26677), (1813, 22557), (2163, 18907), (2701, 15141), (3577, 11433), (3811, 10731), (5047, 8103), (5439, 7519)]