28555839

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{2281}}^1$

素因数の和:2407

約数の個数: 24

約数和(自身を含む): 44854992

約数和(自身を除く): 16299153

約数列:

[1, 3, 9, 13, 39, 107, 117, 321, 963, 1391, 2281, 4173, 6843, 12519, 20529, 29653, 88959, 244067, 266877, 732201, 2196603, 3172871, 9518613, 28555839]

約数ペア:

[(1, 28555839), (3, 9518613), (9, 3172871), (13, 2196603), (39, 732201), (107, 266877), (117, 244067), (321, 88959), (963, 29653), (1391, 20529), (2281, 12519), (4173, 6843)]