561608991

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{1223549}}^1$

素因数の和:1223575

約数の個数: 16

約数和(自身を含む): 880956000

約数和(自身を除く): 319347009

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 1223549, 3670647, 11011941, 20800333, 33035823, 62400999, 187202997, 561608991]

約数ペア:

[(1, 561608991), (3, 187202997), (9, 62400999), (17, 33035823), (27, 20800333), (51, 11011941), (153, 3670647), (459, 1223549)]