164156979

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{411421}}^1$

素因数の和:411450

約数の個数: 16

約数和(自身を含む): 263310080

約数和(自身を除く): 99153101

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 411421, 1234263, 2879947, 7816999, 8639841, 23450997, 54718993, 164156979]

約数ペア:

[(1, 164156979), (3, 54718993), (7, 23450997), (19, 8639841), (21, 7816999), (57, 2879947), (133, 1234263), (399, 411421)]