15980913

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{997}}^1$

素因数の和:1153

約数の個数: 24

約数和(自身を含む): 25065768

約数和(自身を除く): 9084855

約数列:

[1, 3, 9, 13, 39, 117, 137, 411, 997, 1233, 1781, 2991, 5343, 8973, 12961, 16029, 38883, 116649, 136589, 409767, 1229301, 1775657, 5326971, 15980913]

約数ペア:

[(1, 15980913), (3, 5326971), (9, 1775657), (13, 1229301), (39, 409767), (117, 136589), (137, 116649), (411, 38883), (997, 16029), (1233, 12961), (1781, 8973), (2991, 5343)]