38943957

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{151}}^1\times {\mathrm{389}}^1$

素因数の和:573

約数の個数: 32

約数和(自身を含む): 59754240

約数和(自身を除く): 20810283

約数列:

[1, 3, 13, 17, 39, 51, 151, 221, 389, 453, 663, 1167, 1963, 2567, 5057, 5889, 6613, 7701, 15171, 19839, 33371, 58739, 85969, 100113, 176217, 257907, 763607, 998563, 2290821, 2995689, 12981319, 38943957]

約数ペア:

[(1, 38943957), (3, 12981319), (13, 2995689), (17, 2290821), (39, 998563), (51, 763607), (151, 257907), (221, 176217), (389, 100113), (453, 85969), (663, 58739), (1167, 33371), (1963, 19839), (2567, 15171), (5057, 7701), (5889, 6613)]