531994491

素因数分解:

$3^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{66491}}^1$

素因数の和:66631

約数の個数: 24

約数和(自身を含む): 885141504

約数和(自身を除く): 353147013

約数列:

[1, 3, 7, 9, 21, 63, 127, 381, 889, 1143, 2667, 8001, 66491, 199473, 465437, 598419, 1396311, 4188933, 8444357, 25333071, 59110499, 75999213, 177331497, 531994491]

約数ペア:

[(1, 531994491), (3, 177331497), (7, 75999213), (9, 59110499), (21, 25333071), (63, 8444357), (127, 4188933), (381, 1396311), (889, 598419), (1143, 465437), (2667, 199473), (8001, 66491)]