28605393

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{18587}}^1$

素因数の和:18618

約数の個数: 20

約数和(自身を含む): 44982960

約数和(自身を除く): 16377567

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 18587, 55761, 167283, 353153, 501849, 1059459, 1505547, 3178377, 9535131, 28605393]

約数ペア:

[(1, 28605393), (3, 9535131), (9, 3178377), (19, 1505547), (27, 1059459), (57, 501849), (81, 353153), (171, 167283), (513, 55761), (1539, 18587)]