161716989

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{163847}}^1$

素因数の和:163904

約数の個数: 16

約数和(自身を含む): 251670528

約数和(自身を除く): 89953539

約数列:

[1, 3, 7, 21, 47, 141, 329, 987, 163847, 491541, 1146929, 3440787, 7700809, 23102427, 53905663, 161716989]

約数ペア:

[(1, 161716989), (3, 53905663), (7, 23102427), (21, 7700809), (47, 3440787), (141, 1146929), (329, 491541), (987, 163847)]