248807871

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{29131}}^1$

素因数の和:29223

約数の個数: 24

約数和(自身を含む): 392349776

約数和(自身を除く): 143541905

約数列:

[1, 3, 9, 13, 39, 73, 117, 219, 657, 949, 2847, 8541, 29131, 87393, 262179, 378703, 1136109, 2126563, 3408327, 6379689, 19139067, 27645319, 82935957, 248807871]

約数ペア:

[(1, 248807871), (3, 82935957), (9, 27645319), (13, 19139067), (39, 6379689), (73, 3408327), (117, 2126563), (219, 1136109), (657, 378703), (949, 262179), (2847, 87393), (8541, 29131)]