155781999

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{19211}}^1$

素因数の和:19287

約数の個数: 24

約数和(自身を含む): 242762832

約数和(自身を除く): 86980833

約数列:

[1, 3, 9, 17, 51, 53, 153, 159, 477, 901, 2703, 8109, 19211, 57633, 172899, 326587, 979761, 1018183, 2939283, 3054549, 9163647, 17309111, 51927333, 155781999]

約数ペア:

[(1, 155781999), (3, 51927333), (9, 17309111), (17, 9163647), (51, 3054549), (53, 2939283), (153, 1018183), (159, 979761), (477, 326587), (901, 172899), (2703, 57633), (8109, 19211)]