9647991

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{6269}}^1$

素因数の和:6300

約数の個数: 20

約数和(自身を含む): 15173400

約数和(自身を除く): 5525409

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 6269, 18807, 56421, 119111, 169263, 357333, 507789, 1071999, 3215997, 9647991]

約数ペア:

[(1, 9647991), (3, 3215997), (9, 1071999), (19, 507789), (27, 357333), (57, 169263), (81, 119111), (171, 56421), (513, 18807), (1539, 6269)]