78477945

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{57493}}^1$

素因数の和:57521

約数の個数: 32

約数和(自身を含む): 154543872

約数和(自身を除く): 76065927

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 65, 91, 105, 195, 273, 455, 1365, 57493, 172479, 287465, 402451, 747409, 862395, 1207353, 2012255, 2242227, 3737045, 5231863, 6036765, 11211135, 15695589, 26159315, 78477945]

約数ペア:

[(1, 78477945), (3, 26159315), (5, 15695589), (7, 11211135), (13, 6036765), (15, 5231863), (21, 3737045), (35, 2242227), (39, 2012255), (65, 1207353), (91, 862395), (105, 747409), (195, 402451), (273, 287465), (455, 172479), (1365, 57493)]