202520979

素因数分解:

$3^4\times {\mathrm{47}}^1\times {\mathrm{53197}}^1$

素因数の和:53256

約数の個数: 20

約数和(自身を含む): 308973984

約数和(自身を除く): 106453005

約数列:

[1, 3, 9, 27, 47, 81, 141, 423, 1269, 3807, 53197, 159591, 478773, 1436319, 2500259, 4308957, 7500777, 22502331, 67506993, 202520979]

約数ペア:

[(1, 202520979), (3, 67506993), (9, 22502331), (27, 7500777), (47, 4308957), (81, 2500259), (141, 1436319), (423, 478773), (1269, 159591), (3807, 53197)]