31961589

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{199}}^1$

素因数の和:401

約数の個数: 32

約数和(自身を含む): 48537600

約数和(自身を除く): 16576011

約数列:

[1, 3, 11, 31, 33, 93, 157, 199, 341, 471, 597, 1023, 1727, 2189, 4867, 5181, 6169, 6567, 14601, 18507, 31243, 53537, 67859, 93729, 160611, 203577, 343673, 968533, 1031019, 2905599, 10653863, 31961589]

約数ペア:

[(1, 31961589), (3, 10653863), (11, 2905599), (31, 1031019), (33, 968533), (93, 343673), (157, 203577), (199, 160611), (341, 93729), (471, 67859), (597, 53537), (1023, 31243), (1727, 18507), (2189, 14601), (4867, 6567), (5181, 6169)]