28891539

素因数分解:

$3^3\times {\mathrm{67}}^1\times {\mathrm{15971}}^1$

素因数の和:16047

約数の個数: 16

約数和(自身を含む): 43443840

約数和(自身を除く): 14552301

約数列:

[1, 3, 9, 27, 67, 201, 603, 1809, 15971, 47913, 143739, 431217, 1070057, 3210171, 9630513, 28891539]

約数ペア:

[(1, 28891539), (3, 9630513), (9, 3210171), (27, 1070057), (67, 431217), (201, 143739), (603, 47913), (1809, 15971)]