81229986

素因数分解:

$2^1\times 3^3\times {\mathrm{29}}^1\times {\mathrm{51871}}^1$

素因数の和:51911

約数の個数: 32

約数和(自身を含む): 186739200

約数和(自身を除く): 105509214

約数列:

[1, 2, 3, 6, 9, 18, 27, 29, 54, 58, 87, 174, 261, 522, 783, 1566, 51871, 103742, 155613, 311226, 466839, 933678, 1400517, 1504259, 2801034, 3008518, 4512777, 9025554, 13538331, 27076662, 40614993, 81229986]

約数ペア:

[(1, 81229986), (2, 40614993), (3, 27076662), (6, 13538331), (9, 9025554), (18, 4512777), (27, 3008518), (29, 2801034), (54, 1504259), (58, 1400517), (87, 933678), (174, 466839), (261, 311226), (522, 155613), (783, 103742), (1566, 51871)]