20831738139

素因数分解:

$3^3\times {\mathrm{53}}^1\times {\mathrm{97}}^1\times {\mathrm{150077}}^1$

素因数の和:150236

約数の個数: 32

約数和(自身を含む): 31768511040

約数和(自身を除く): 10936772901

約数列:

[1, 3, 9, 27, 53, 97, 159, 291, 477, 873, 1431, 2619, 5141, 15423, 46269, 138807, 150077, 450231, 1350693, 4052079, 7954081, 14557469, 23862243, 43672407, 71586729, 131017221, 214760187, 393051663, 771545857, 2314637571, 6943912713, 20831738139]

約数ペア:

[(1, 20831738139), (3, 6943912713), (9, 2314637571), (27, 771545857), (53, 393051663), (97, 214760187), (159, 131017221), (291, 71586729), (477, 43672407), (873, 23862243), (1431, 14557469), (2619, 7954081), (5141, 4052079), (15423, 1350693), (46269, 450231), (138807, 150077)]