3988959

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{4447}}^1$

素因数の和:4486

約数の個数: 16

約数和(自身を含む): 5978112

約数和(自身を除く): 1989153

約数列:

[1, 3, 13, 23, 39, 69, 299, 897, 4447, 13341, 57811, 102281, 173433, 306843, 1329653, 3988959]

約数ペア:

[(1, 3988959), (3, 1329653), (13, 306843), (23, 173433), (39, 102281), (69, 57811), (299, 13341), (897, 4447)]