28871283

素因数分解:

$3^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{9227}}^1$

素因数の和:9386

約数の個数: 16

約数和(自身を含む): 44294400

約数和(自身を除く): 15423117

約数列:

[1, 3, 7, 21, 149, 447, 1043, 3129, 9227, 27681, 64589, 193767, 1374823, 4124469, 9623761, 28871283]

約数ペア:

[(1, 28871283), (3, 9623761), (7, 4124469), (21, 1374823), (149, 193767), (447, 64589), (1043, 27681), (3129, 9227)]