25171821

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{277}}^1\times {\mathrm{439}}^1$

素因数の和:745

約数の個数: 24

約数和(自身を含む): 38163840

約数和(自身を除く): 12992019

約数列:

[1, 3, 9, 23, 69, 207, 277, 439, 831, 1317, 2493, 3951, 6371, 10097, 19113, 30291, 57339, 90873, 121603, 364809, 1094427, 2796869, 8390607, 25171821]

約数ペア:

[(1, 25171821), (3, 8390607), (9, 2796869), (23, 1094427), (69, 364809), (207, 121603), (277, 90873), (439, 57339), (831, 30291), (1317, 19113), (2493, 10097), (3951, 6371)]