1285655121

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{2377}}^1\times {\mathrm{3163}}^1$

素因数の和:5565

約数の個数: 24

約数和(自身を含む): 1956237920

約数和(自身を除く): 670582799

約数列:

[1, 3, 9, 19, 57, 171, 2377, 3163, 7131, 9489, 21393, 28467, 45163, 60097, 135489, 180291, 406467, 540873, 7518451, 22555353, 67666059, 142850569, 428551707, 1285655121]

約数ペア:

[(1, 1285655121), (3, 428551707), (9, 142850569), (19, 67666059), (57, 22555353), (171, 7518451), (2377, 540873), (3163, 406467), (7131, 180291), (9489, 135489), (21393, 60097), (28467, 45163)]