209219937

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{439}}^1\times {\mathrm{6907}}^1$

素因数の和:7372

約数の個数: 16

約数和(自身を含む): 291793920

約数和(自身を除く): 82573983

約数列:

[1, 3, 23, 69, 439, 1317, 6907, 10097, 20721, 30291, 158861, 476583, 3032173, 9096519, 69739979, 209219937]

約数ペア:

[(1, 209219937), (3, 69739979), (23, 9096519), (69, 3032173), (439, 476583), (1317, 158861), (6907, 30291), (10097, 20721)]