31495671

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{2143}}^1$

素因数の和:2243

約数の個数: 24

約数和(自身を含む): 48162816

約数和(自身を除く): 16667145

約数列:

[1, 3, 9, 23, 69, 71, 207, 213, 639, 1633, 2143, 4899, 6429, 14697, 19287, 49289, 147867, 152153, 443601, 456459, 1369377, 3499519, 10498557, 31495671]

約数ペア:

[(1, 31495671), (3, 10498557), (9, 3499519), (23, 1369377), (69, 456459), (71, 443601), (207, 152153), (213, 147867), (639, 49289), (1633, 19287), (2143, 14697), (4899, 6429)]