17896473

素因数分解:

$3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{4001}}^1$

素因数の和:4085

約数の個数: 24

約数和(自身を含む): 29966976

約数和(自身を除く): 12070503

約数列:

[1, 3, 7, 9, 21, 63, 71, 213, 497, 639, 1491, 4001, 4473, 12003, 28007, 36009, 84021, 252063, 284071, 852213, 1988497, 2556639, 5965491, 17896473]

約数ペア:

[(1, 17896473), (3, 5965491), (7, 2556639), (9, 1988497), (21, 852213), (63, 284071), (71, 252063), (213, 84021), (497, 36009), (639, 28007), (1491, 12003), (4001, 4473)]