31712889

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{97}}^1\times {\mathrm{101}}^1$

素因数の和:297

約数の個数: 32

約数和(自身を含む): 47021184

約数和(自身を除く): 15308295

約数列:

[1, 3, 13, 39, 83, 97, 101, 249, 291, 303, 1079, 1261, 1313, 3237, 3783, 3939, 8051, 8383, 9797, 24153, 25149, 29391, 104663, 108979, 127361, 313989, 326937, 382083, 813151, 2439453, 10570963, 31712889]

約数ペア:

[(1, 31712889), (3, 10570963), (13, 2439453), (39, 813151), (83, 382083), (97, 326937), (101, 313989), (249, 127361), (291, 108979), (303, 104663), (1079, 29391), (1261, 25149), (1313, 24153), (3237, 9797), (3783, 8383), (3939, 8051)]