81551019

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{15161}}^1$

素因数の和:15338

約数の個数: 16

約数和(自身を含む): 119355264

約数和(自身を除く): 37804245

約数列:

[1, 3, 11, 33, 163, 489, 1793, 5379, 15161, 45483, 166771, 500313, 2471243, 7413729, 27183673, 81551019]

約数ペア:

[(1, 81551019), (3, 27183673), (11, 7413729), (33, 2471243), (163, 500313), (489, 166771), (1793, 45483), (5379, 15161)]