413991

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{269}}^1$

素因数の和:300

約数の個数: 20

約数和(自身を含む): 653400

約数和(自身を除く): 239409

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 269, 513, 807, 1539, 2421, 5111, 7263, 15333, 21789, 45999, 137997, 413991]

約数ペア:

[(1, 413991), (3, 137997), (9, 45999), (19, 21789), (27, 15333), (57, 7263), (81, 5111), (171, 2421), (269, 1539), (513, 807)]