1853721009

素因数分解:

$3^2\times 7^2\times {\mathrm{61}}^1\times {\mathrm{68909}}^1$

素因数の和:68990

約数の個数: 36

約数和(自身を含む): 3165863220

約数和(自身を除く): 1312142211

約数列:

[1, 3, 7, 9, 21, 49, 61, 63, 147, 183, 427, 441, 549, 1281, 2989, 3843, 8967, 26901, 68909, 206727, 482363, 620181, 1447089, 3376541, 4203449, 4341267, 10129623, 12610347, 29424143, 30388869, 37831041, 88272429, 205969001, 264817287, 617907003, 1853721009]

約数ペア:

[(1, 1853721009), (3, 617907003), (7, 264817287), (9, 205969001), (21, 88272429), (49, 37831041), (61, 30388869), (63, 29424143), (147, 12610347), (183, 10129623), (427, 4341267), (441, 4203449), (549, 3376541), (1281, 1447089), (2989, 620181), (3843, 482363), (8967, 206727), (26901, 68909)]