159021821

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{11789}}^1$

素因数の和:11884

約数の個数: 16

約数和(自身を含む): 190149120

約数和(自身を除く): 31127299

約数列:

[1, 7, 41, 47, 287, 329, 1927, 11789, 13489, 82523, 483349, 554083, 3383443, 3878581, 22717403, 159021821]

約数ペア:

[(1, 159021821), (7, 22717403), (41, 3878581), (47, 3383443), (287, 554083), (329, 483349), (1927, 82523), (11789, 13489)]