640433481

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{1021}}^1\times {\mathrm{5651}}^1$

素因数の和:6712

約数の個数: 16

約数和(自身を含む): 878004288

約数和(自身を除く): 237570807

約数列:

[1, 3, 37, 111, 1021, 3063, 5651, 16953, 37777, 113331, 209087, 627261, 5769671, 17309013, 213477827, 640433481]

約数ペア:

[(1, 640433481), (3, 213477827), (37, 17309013), (111, 5769671), (1021, 627261), (3063, 209087), (5651, 113331), (16953, 37777)]