31994919

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{241}}^1$

素因数の和:413

約数の個数: 40

約数和(自身を含む): 52707600

約数和(自身を除く): 20712681

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 149, 241, 297, 447, 723, 891, 1341, 1639, 2169, 2651, 4023, 4917, 6507, 7953, 12069, 14751, 19521, 23859, 35909, 44253, 71577, 107727, 132759, 214731, 323181, 394999, 969543, 1184997, 2908629, 3554991, 10664973, 31994919]

約数ペア:

[(1, 31994919), (3, 10664973), (9, 3554991), (11, 2908629), (27, 1184997), (33, 969543), (81, 394999), (99, 323181), (149, 214731), (241, 132759), (297, 107727), (447, 71577), (723, 44253), (891, 35909), (1341, 23859), (1639, 19521), (2169, 14751), (2651, 12069), (4023, 7953), (4917, 6507)]