20172972159

素因数分解:

$3^4\times {\mathrm{2963}}^1\times {\mathrm{84053}}^1$

素因数の和:87028

約数の個数: 20

約数和(自身を含む): 30145462776

約数和(自身を除く): 9972490617

約数列:

[1, 3, 9, 27, 81, 2963, 8889, 26667, 80001, 84053, 240003, 252159, 756477, 2269431, 6808293, 249049039, 747147117, 2241441351, 6724324053, 20172972159]

約数ペア:

[(1, 20172972159), (3, 6724324053), (9, 2241441351), (27, 747147117), (81, 249049039), (2963, 6808293), (8889, 2269431), (26667, 756477), (80001, 252159), (84053, 240003)]