399340851

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{24793}}^1$

素因数の和:24875

約数の個数: 32

約数和(自身を含む): 666462720

約数和(自身を除く): 267121869

約数列:

[1, 3, 7, 13, 21, 39, 59, 91, 177, 273, 413, 767, 1239, 2301, 5369, 16107, 24793, 74379, 173551, 322309, 520653, 966927, 1462787, 2256163, 4388361, 6768489, 10239509, 19016231, 30718527, 57048693, 133113617, 399340851]

約数ペア:

[(1, 399340851), (3, 133113617), (7, 57048693), (13, 30718527), (21, 19016231), (39, 10239509), (59, 6768489), (91, 4388361), (177, 2256163), (273, 1462787), (413, 966927), (767, 520653), (1239, 322309), (2301, 173551), (5369, 74379), (16107, 24793)]