55817991

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{36269}}^1$

素因数の和:36300

約数の個数: 20

約数和(自身を含む): 87773400

約数和(自身を除く): 31955409

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 36269, 108807, 326421, 689111, 979263, 2067333, 2937789, 6201999, 18605997, 55817991]

約数ペア:

[(1, 55817991), (3, 18605997), (9, 6201999), (19, 2937789), (27, 2067333), (57, 979263), (81, 689111), (171, 326421), (513, 108807), (1539, 36269)]