27728911

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{2411}}^1$

素因数の和:2502

約数の個数: 16

約数和(自身を含む): 33343488

約数和(自身を除く): 5614577

約数列:

[1, 7, 31, 53, 217, 371, 1643, 2411, 11501, 16877, 74741, 127783, 523187, 894481, 3961273, 27728911]

約数ペア:

[(1, 27728911), (7, 3961273), (31, 894481), (53, 523187), (217, 127783), (371, 74741), (1643, 16877), (2411, 11501)]