27479739

素因数分解:

$3^1\times 7^2\times {\mathrm{131}}^1\times {\mathrm{1427}}^1$

素因数の和:1575

約数の個数: 24

約数和(自身を含む): 42977088

約数和(自身を除く): 15497349

約数列:

[1, 3, 7, 21, 49, 131, 147, 393, 917, 1427, 2751, 4281, 6419, 9989, 19257, 29967, 69923, 186937, 209769, 560811, 1308559, 3925677, 9159913, 27479739]

約数ペア:

[(1, 27479739), (3, 9159913), (7, 3925677), (21, 1308559), (49, 560811), (131, 209769), (147, 186937), (393, 69923), (917, 29967), (1427, 19257), (2751, 9989), (4281, 6419)]