254994579

素因数分解:

$3^2\times 7^2\times {\mathrm{61}}^1\times {\mathrm{9479}}^1$

素因数の和:9560

約数の個数: 36

約数和(自身を含む): 435530160

約数和(自身を除く): 180535581

約数列:

[1, 3, 7, 9, 21, 49, 61, 63, 147, 183, 427, 441, 549, 1281, 2989, 3843, 8967, 9479, 26901, 28437, 66353, 85311, 199059, 464471, 578219, 597177, 1393413, 1734657, 4047533, 4180239, 5203971, 12142599, 28332731, 36427797, 84998193, 254994579]

約数ペア:

[(1, 254994579), (3, 84998193), (7, 36427797), (9, 28332731), (21, 12142599), (49, 5203971), (61, 4180239), (63, 4047533), (147, 1734657), (183, 1393413), (427, 597177), (441, 578219), (549, 464471), (1281, 199059), (2989, 85311), (3843, 66353), (8967, 28437), (9479, 26901)]