397976733

素因数分解:

$3^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{63809}}^1$

素因数の和:63839

約数の個数: 40

約数和(自身を含む): 741216960

約数和(自身を除く): 343240227

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 63, 77, 81, 99, 189, 231, 297, 567, 693, 891, 2079, 6237, 63809, 191427, 446663, 574281, 701899, 1339989, 1722843, 2105697, 4019967, 4913293, 5168529, 6317091, 12059901, 14739879, 18951273, 36179703, 44219637, 56853819, 132658911, 397976733]

約数ペア:

[(1, 397976733), (3, 132658911), (7, 56853819), (9, 44219637), (11, 36179703), (21, 18951273), (27, 14739879), (33, 12059901), (63, 6317091), (77, 5168529), (81, 4913293), (99, 4019967), (189, 2105697), (231, 1722843), (297, 1339989), (567, 701899), (693, 574281), (891, 446663), (2079, 191427), (6237, 63809)]