209171247

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{215863}}^1$

素因数の和:215902

約数の個数: 16

約数和(自身を含む): 310844160

約数和(自身を除く): 101672913

約数列:

[1, 3, 17, 19, 51, 57, 323, 969, 215863, 647589, 3669671, 4101397, 11009013, 12304191, 69723749, 209171247]

約数ペア:

[(1, 209171247), (3, 69723749), (17, 12304191), (19, 11009013), (51, 4101397), (57, 3669671), (323, 647589), (969, 215863)]