64187205

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{223}}^1\times {\mathrm{619}}^1$

素因数の和:881

約数の個数: 32

約数和(自身を含む): 106659840

約数和(自身を除く): 42472635

約数列:

[1, 3, 5, 15, 31, 93, 155, 223, 465, 619, 669, 1115, 1857, 3095, 3345, 6913, 9285, 19189, 20739, 34565, 57567, 95945, 103695, 138037, 287835, 414111, 690185, 2070555, 4279147, 12837441, 21395735, 64187205]

約数ペア:

[(1, 64187205), (3, 21395735), (5, 12837441), (15, 4279147), (31, 2070555), (93, 690185), (155, 414111), (223, 287835), (465, 138037), (619, 103695), (669, 95945), (1115, 57567), (1857, 34565), (3095, 20739), (3345, 19189), (6913, 9285)]