77987931

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{1621}}^1$

素因数の和:1739

約数の個数: 32

約数和(自身を含む): 124569600

約数和(自身を除く): 46581669

約数列:

[1, 3, 7, 21, 29, 79, 87, 203, 237, 553, 609, 1621, 1659, 2291, 4863, 6873, 11347, 16037, 34041, 47009, 48111, 128059, 141027, 329063, 384177, 896413, 987189, 2689239, 3713711, 11141133, 25995977, 77987931]

約数ペア:

[(1, 77987931), (3, 25995977), (7, 11141133), (21, 3713711), (29, 2689239), (79, 987189), (87, 896413), (203, 384177), (237, 329063), (553, 141027), (609, 128059), (1621, 48111), (1659, 47009), (2291, 34041), (4863, 16037), (6873, 11347)]