71891457

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{14621}}^1$

素因数の和:14784

約数の個数: 16

約数和(自身を含む): 105278400

約数和(自身を除く): 33386943

約数列:

[1, 3, 11, 33, 149, 447, 1639, 4917, 14621, 43863, 160831, 482493, 2178529, 6535587, 23963819, 71891457]

約数ペア:

[(1, 71891457), (3, 23963819), (11, 6535587), (33, 2178529), (149, 482493), (447, 160831), (1639, 43863), (4917, 14621)]