201651489

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{331}}^1$

素因数の和:518

約数の個数: 48

約数和(自身を含む): 324839424

約数和(自身を除く): 123187935

約数列:

[1, 3, 9, 13, 39, 41, 117, 123, 127, 331, 369, 381, 533, 993, 1143, 1599, 1651, 2979, 4303, 4797, 4953, 5207, 12909, 13571, 14859, 15621, 38727, 40713, 42037, 46863, 67691, 122139, 126111, 176423, 203073, 378333, 529269, 546481, 609219, 1587807, 1639443, 1723517, 4918329, 5170551, 15511653, 22405721, 67217163, 201651489]

約数ペア:

[(1, 201651489), (3, 67217163), (9, 22405721), (13, 15511653), (39, 5170551), (41, 4918329), (117, 1723517), (123, 1639443), (127, 1587807), (331, 609219), (369, 546481), (381, 529269), (533, 378333), (993, 203073), (1143, 176423), (1599, 126111), (1651, 122139), (2979, 67691), (4303, 46863), (4797, 42037), (4953, 40713), (5207, 38727), (12909, 15621), (13571, 14859)]