28137051

素因数分解:

$3^4\times {\mathrm{563}}^1\times {\mathrm{617}}^1$

素因数の和:1192

約数の個数: 20

約数和(自身を含む): 42174792

約数和(自身を除く): 14037741

約数列:

[1, 3, 9, 27, 81, 563, 617, 1689, 1851, 5067, 5553, 15201, 16659, 45603, 49977, 347371, 1042113, 3126339, 9379017, 28137051]

約数ペア:

[(1, 28137051), (3, 9379017), (9, 3126339), (27, 1042113), (81, 347371), (563, 49977), (617, 45603), (1689, 16659), (1851, 15201), (5067, 5553)]