2120499

素因数分解:

$3^4\times {\mathrm{47}}^1\times {\mathrm{557}}^1$

素因数の和:616

約数の個数: 20

約数和(自身を含む): 3240864

約数和(自身を除く): 1120365

約数列:

[1, 3, 9, 27, 47, 81, 141, 423, 557, 1269, 1671, 3807, 5013, 15039, 26179, 45117, 78537, 235611, 706833, 2120499]

約数ペア:

[(1, 2120499), (3, 706833), (9, 235611), (27, 78537), (47, 45117), (81, 26179), (141, 15039), (423, 5013), (557, 3807), (1269, 1671)]