13887387

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{211}}^1$

素因数の和:391

約数の個数: 24

約数和(自身を含む): 20636928

約数和(自身を除く): 6749541

約数列:

[1, 3, 9, 71, 103, 211, 213, 309, 633, 639, 927, 1899, 7313, 14981, 21733, 21939, 44943, 65199, 65817, 134829, 195597, 1543043, 4629129, 13887387]

約数ペア:

[(1, 13887387), (3, 4629129), (9, 1543043), (71, 195597), (103, 134829), (211, 65817), (213, 65199), (309, 44943), (633, 21939), (639, 21733), (927, 14981), (1899, 7313)]