1900565513

素因数分解:

$7^1\times {\mathrm{11}}^3\times {\mathrm{203989}}^1$

素因数の和:204029

約数の個数: 16

約数和(自身を含む): 2389130880

約数和(自身を除く): 488565367

約数列:

[1, 7, 11, 77, 121, 847, 1331, 9317, 203989, 1427923, 2243879, 15707153, 24682669, 172778683, 271509359, 1900565513]

約数ペア:

[(1, 1900565513), (7, 271509359), (11, 172778683), (77, 24682669), (121, 15707153), (847, 2243879), (1331, 1427923), (9317, 203989)]