31130721

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{307}}^1\times {\mathrm{593}}^1$

素因数の和:925

約数の個数: 24

約数和(自身を含む): 47567520

約数和(自身を除く): 16436799

約数列:

[1, 3, 9, 19, 57, 171, 307, 593, 921, 1779, 2763, 5337, 5833, 11267, 17499, 33801, 52497, 101403, 182051, 546153, 1638459, 3458969, 10376907, 31130721]

約数ペア:

[(1, 31130721), (3, 10376907), (9, 3458969), (19, 1638459), (57, 546153), (171, 182051), (307, 101403), (593, 52497), (921, 33801), (1779, 17499), (2763, 11267), (5337, 5833)]