128989863

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{15907}}^1$

素因数の和:15983

約数の個数: 24

約数和(自身を含む): 201013488

約数和(自身を除く): 72023625

約数列:

[1, 3, 9, 17, 51, 53, 153, 159, 477, 901, 2703, 8109, 15907, 47721, 143163, 270419, 811257, 843071, 2433771, 2529213, 7587639, 14332207, 42996621, 128989863]

約数ペア:

[(1, 128989863), (3, 42996621), (9, 14332207), (17, 7587639), (51, 2529213), (53, 2433771), (153, 843071), (159, 811257), (477, 270419), (901, 143163), (2703, 47721), (8109, 15907)]