2403891

素因数分解:

$3^3\times 7^2\times {\mathrm{23}}^1\times {\mathrm{79}}^1$

素因数の和:125

約数の個数: 48

約数和(自身を含む): 4377600

約数和(自身を除く): 1973709

約数列:

[1, 3, 7, 9, 21, 23, 27, 49, 63, 69, 79, 147, 161, 189, 207, 237, 441, 483, 553, 621, 711, 1127, 1323, 1449, 1659, 1817, 2133, 3381, 3871, 4347, 4977, 5451, 10143, 11613, 12719, 14931, 16353, 30429, 34839, 38157, 49059, 89033, 104517, 114471, 267099, 343413, 801297, 2403891]

約数ペア:

[(1, 2403891), (3, 801297), (7, 343413), (9, 267099), (21, 114471), (23, 104517), (27, 89033), (49, 49059), (63, 38157), (69, 34839), (79, 30429), (147, 16353), (161, 14931), (189, 12719), (207, 11613), (237, 10143), (441, 5451), (483, 4977), (553, 4347), (621, 3871), (711, 3381), (1127, 2133), (1323, 1817), (1449, 1659)]