161651943

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{105037}}^1$

素因数の和:105068

約数の個数: 20

約数和(自身を含む): 254191960

約数和(自身を除く): 92540017

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 105037, 315111, 945333, 1995703, 2835999, 5987109, 8507997, 17961327, 53883981, 161651943]

約数ペア:

[(1, 161651943), (3, 53883981), (9, 17961327), (19, 8507997), (27, 5987109), (57, 2835999), (81, 1995703), (171, 945333), (513, 315111), (1539, 105037)]