25554039

素因数分解:

$3^1\times 7^2\times {\mathrm{131}}^1\times {\mathrm{1327}}^1$

素因数の和:1475

約数の個数: 24

約数和(自身を含む): 39967488

約数和(自身を除く): 14413449

約数列:

[1, 3, 7, 21, 49, 131, 147, 393, 917, 1327, 2751, 3981, 6419, 9289, 19257, 27867, 65023, 173837, 195069, 521511, 1216859, 3650577, 8518013, 25554039]

約数ペア:

[(1, 25554039), (3, 8518013), (7, 3650577), (21, 1216859), (49, 521511), (131, 195069), (147, 173837), (393, 65023), (917, 27867), (1327, 19257), (2751, 9289), (3981, 6419)]