71391381

素因数分解:

$3^1\times {\mathrm{17}}^2\times {\mathrm{67}}^1\times {\mathrm{1229}}^1$

素因数の和:1333

約数の個数: 24

約数和(自身を含む): 102709920

約数和(自身を除く): 31318539

約数列:

[1, 3, 17, 51, 67, 201, 289, 867, 1139, 1229, 3417, 3687, 19363, 20893, 58089, 62679, 82343, 247029, 355181, 1065543, 1399831, 4199493, 23797127, 71391381]

約数ペア:

[(1, 71391381), (3, 23797127), (17, 4199493), (51, 1399831), (67, 1065543), (201, 355181), (289, 247029), (867, 82343), (1139, 62679), (1229, 58089), (3417, 20893), (3687, 19363)]