287435.0000000

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1$

素因数の和:210

約数の個数: 32

約数和(自身を含む): 5909760

約数和(自身を除く): 2227203

約数列:

[1, 3, 9, 17, 27, 51, 71, 113, 153, 213, 339, 459, 639, 1017, 1207, 1917, 1921, 3051, 3621, 5763, 8023, 10863, 17289, 24069, 32589, 51867, 72207, 136391, 216621, 409173, 1227519, 3682557]

約数ペア:

[(1, 3682557), (3, 1227519), (9, 409173), (17, 216621), (27, 136391), (51, 72207), (71, 51867), (113, 32589), (153, 24069), (213, 17289), (339, 10863), (459, 8023), (639, 5763), (1017, 3621), (1207, 3051), (1917, 1921)]