489857991

素因数分解:

$3^1\times 7^1\times {\mathrm{401}}^1\times {\mathrm{58171}}^1$

素因数の和:58582

約数の個数: 16

約数和(自身を含む): 748324608

約数和(自身を除く): 258466617

約数列:

[1, 3, 7, 21, 401, 1203, 2807, 8421, 58171, 174513, 407197, 1221591, 23326571, 69979713, 163285997, 489857991]

約数ペア:

[(1, 489857991), (3, 163285997), (7, 69979713), (21, 23326571), (401, 1221591), (1203, 407197), (2807, 174513), (8421, 58171)]