248631009

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1\times {\mathrm{1297}}^1$

素因数の和:1505

約数の個数: 32

約数和(自身を含む): 374073216

約数和(自身を除く): 125442207

約数列:

[1, 3, 11, 33, 37, 111, 157, 407, 471, 1221, 1297, 1727, 3891, 5181, 5809, 14267, 17427, 42801, 47989, 63899, 143967, 191697, 203629, 527879, 610887, 1583637, 2239919, 6719757, 7534273, 22602819, 82877003, 248631009]

約数ペア:

[(1, 248631009), (3, 82877003), (11, 22602819), (33, 7534273), (37, 6719757), (111, 2239919), (157, 1583637), (407, 610887), (471, 527879), (1221, 203629), (1297, 191697), (1727, 143967), (3891, 63899), (5181, 47989), (5809, 42801), (14267, 17427)]