1333731

素因数分解:

$3^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{211}}^1$

素因数の和:271

約数の個数: 24

約数和(自身を含む): 2126784

約数和(自身を除く): 793053

約数列:

[1, 3, 7, 21, 43, 49, 129, 147, 211, 301, 633, 903, 1477, 2107, 4431, 6321, 9073, 10339, 27219, 31017, 63511, 190533, 444577, 1333731]

約数ペア:

[(1, 1333731), (3, 444577), (7, 190533), (21, 63511), (43, 31017), (49, 27219), (129, 10339), (147, 9073), (211, 6321), (301, 4431), (633, 2107), (903, 1477)]