145181281

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1\times {\mathrm{3301}}^1$

素因数の和:3472

約数の個数: 16

約数和(自身を含む): 170330368

約数和(自身を除く): 25149087

約数列:

[1, 7, 61, 103, 427, 721, 3301, 6283, 23107, 43981, 201361, 340003, 1409527, 2380021, 20740183, 145181281]

約数ペア:

[(1, 145181281), (7, 20740183), (61, 2380021), (103, 1409527), (427, 340003), (721, 201361), (3301, 43981), (6283, 23107)]