1213440109

素因数分解:

$7^1\times {\mathrm{181}}^1\times {\mathrm{743}}^1\times {\mathrm{1289}}^1$

素因数の和:2220

約数の個数: 16

約数和(自身を含む): 1397410560

約数和(自身を除く): 183970451

約数列:

[1, 7, 181, 743, 1267, 1289, 5201, 9023, 134483, 233309, 941381, 957727, 1633163, 6704089, 173348587, 1213440109]

約数ペア:

[(1, 1213440109), (7, 173348587), (181, 6704089), (743, 1633163), (1267, 957727), (1289, 941381), (5201, 233309), (9023, 134483)]