28159407

素因数分解:

$3^4\times {\mathrm{509}}^1\times {\mathrm{683}}^1$

素因数の和:1204

約数の個数: 20

約数和(自身を含む): 42209640

約数和(自身を除く): 14050233

約数列:

[1, 3, 9, 27, 81, 509, 683, 1527, 2049, 4581, 6147, 13743, 18441, 41229, 55323, 347647, 1042941, 3128823, 9386469, 28159407]

約数ペア:

[(1, 28159407), (3, 9386469), (9, 3128823), (27, 1042941), (81, 347647), (509, 55323), (683, 41229), (1527, 18441), (2049, 13743), (4581, 6147)]