66969165

素因数分解:

$3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{173}}^1\times {\mathrm{197}}^1$

素因数の和:509

約数の個数: 32

約数和(自身を含む): 109143936

約数和(自身を除く): 42174771

約数列:

[1, 3, 5, 15, 131, 173, 197, 393, 519, 591, 655, 865, 985, 1965, 2595, 2955, 22663, 25807, 34081, 67989, 77421, 102243, 113315, 129035, 170405, 339945, 387105, 511215, 4464611, 13393833, 22323055, 66969165]

約数ペア:

[(1, 66969165), (3, 22323055), (5, 13393833), (15, 4464611), (131, 511215), (173, 387105), (197, 339945), (393, 170405), (519, 129035), (591, 113315), (655, 102243), (865, 77421), (985, 67989), (1965, 34081), (2595, 25807), (2955, 22663)]