291218031

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{659}}^1\times {\mathrm{1259}}^1$

素因数の和:1940

約数の個数: 32

約数和(自身を含む): 465696000

約数和(自身を除く): 174477969

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 659, 1259, 1977, 3777, 5931, 8567, 11331, 16367, 17793, 25701, 33993, 49101, 77103, 147303, 231309, 441909, 829681, 2489043, 7467129, 10785853, 22401387, 32357559, 97072677, 291218031]

約数ペア:

[(1, 291218031), (3, 97072677), (9, 32357559), (13, 22401387), (27, 10785853), (39, 7467129), (117, 2489043), (351, 829681), (659, 441909), (1259, 231309), (1977, 147303), (3777, 77103), (5931, 49101), (8567, 33993), (11331, 25701), (16367, 17793)]