2785671

素因数分解:

$3^4\times 7^1\times {\mathrm{17}}^3$

素因数の和:70

約数の個数: 40

約数和(自身を含む): 5052960

約数和(自身を除く): 2267289

約数列:

[1, 3, 7, 9, 17, 21, 27, 51, 63, 81, 119, 153, 189, 289, 357, 459, 567, 867, 1071, 1377, 2023, 2601, 3213, 4913, 6069, 7803, 9639, 14739, 18207, 23409, 34391, 44217, 54621, 103173, 132651, 163863, 309519, 397953, 928557, 2785671]

約数ペア:

[(1, 2785671), (3, 928557), (7, 397953), (9, 309519), (17, 163863), (21, 132651), (27, 103173), (51, 54621), (63, 44217), (81, 34391), (119, 23409), (153, 18207), (189, 14739), (289, 9639), (357, 7803), (459, 6069), (567, 4913), (867, 3213), (1071, 2601), (1377, 2023)]