64971855

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37021}}^1$

素因数の和:37048

約数の個数: 32

約数和(自身を含む): 124393920

約数和(自身を除く): 59422065

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 117, 135, 195, 351, 585, 1755, 37021, 111063, 185105, 333189, 481273, 555315, 999567, 1443819, 1665945, 2406365, 4331457, 4997835, 7219095, 12994371, 21657285, 64971855]

約数ペア:

[(1, 64971855), (3, 21657285), (5, 12994371), (9, 7219095), (13, 4997835), (15, 4331457), (27, 2406365), (39, 1665945), (45, 1443819), (65, 999567), (117, 555315), (135, 481273), (195, 333189), (351, 185105), (585, 111063), (1755, 37021)]